Livio, Oathsworn Sentinel - Illustration by Kekai Kotaki

Livio, Oathsworn Sentinel | Illustration by Kekai Kotaki

After existing as a fan-made format for over five years, Oathbreaker has finally been recognized as an official Magic format by Wizards of the Coast. Though the format has dropped off in popularity since its invention, now that Wizards have acknowledged it, players have been taking notice once again and want to dive back in.

If you don’t know, Oathbreaker is basically a variant of the Commander format, with the exception that players build their decks around a planeswalker instead of a legendary creature. Decks are also smaller, with only 60 cards including your oathbreaker and signature spell. Games of Oathbreaker are typically faster than those of Commander, and they offer players the chance to build around some of their favorite characters from Magic’s story who have only ever appeared on planeswalker cards. Smaller decks can also mean that Oathbreaker decks often end up being cheaper to build than Commander ones.

If you’re looking to hop into the format but aren’t sure where to start, here are some of the best Oathbreaker planeswalker and signature spell combinations that you can build around!

What Are Oathbreaker Planeswalkers and Signature Spells In MTG?

Windfall - Illustration by Pete Venters

Windfall | Illustration by Pete Venters

Oathbreaker planeswalkers are essentially your commander. They go into the command zone, and you can only include cards in your deck that match your planeswalker’s color identity. If your planeswalker is put back into the command zone after you cast it, you’ll need to pay tax to cast it again ( just like commander tax).

Where the format becomes a little more unique is with the signature spell. A signature spell is an instant or sorcery that also goes into your command zone. It must match the color identity of your oathbreaker, just like the rest of the cards in your deck. You can cast this spell from the command zone while your oathbreaker is on the field, then if it would go anywhere but the stack, it is instead returned to the command zone. You may cast your signature spell again by paying an additional two mana for each time you’ve cast during the game, and only if your oathbreaker is still on the battlefield.

As you may already suspect, having a planeswalker and instant or sorcery to play at will can lead to some pretty broken combinations, as Wizards hasn’t been balancing either type of card with Oathbreaker in mind. There are some incredibly powerful pairings that can end the game quickly, so if you’re looking for ways to break the format, there are currently many options for you. When looking at the best builds, I’ll be including some of these, but also some builds that I think just make fun decks. While the appeal of the format for some may be quicker games, I do think Oathbreaker will have better legs as a format if it also embraces a more casual atmosphere that allows for janky fun builds as well as competitive ones.

#10. Jace, Wielder of Mysteries + Treasure Hunt

The combination of Jace, Wielder of Mysteries and Treasure Hunt is a notorious one in Oathbreaker. The way it works is you build an entire deck of lands or just grab 58 basic Islands and then wait until you can get Jace on the field. Once he’s there, cast Treasure Hunt, which will put every card from your library into your hand. Following this, simply activate Jace, Wielder of Mysteries +1 ability and you’ll win the game. Of course, there are some downsides to this. You’re essentially a one-trick pony, and it’s a trick your opponents will see coming a mile away once they’re familiar with the format. Also, if Jace is removed at instant speed before you draw your last card, then you’ll lose the game instead of winning.

I’ve seen some players build this deck with Paradigm Shift instead of Treasure Hunt, but I personally don’t like this build. While they’re almost identical, Paradigm Shift won’t win you the game if one of your opponents is running land destruction. If you have cards in your graveyard when you cast it, then you won’t empty your library, making this a slightly less consistent way to win than Treasure Hunt. When you already need things to go perfectly for you in this deck, any extra bit of variance is a problem.

#9. Angrath, Flame Chained + Wheel of Misfortune

Angrath, Flame Chained is a pretty good Oathbreaker choice since he has good ways to protect himself. You can force opponents to ditch resources from their hands, and when a threatening creature comes out you can steal it and then sacrifice it. While his ultimate might not always be super impactful in a normal game, combining it with consistent wheels makes it much stronger.

I chose Wheel of Misfortune for two reasons. First, even the cheapest copies of Wheel of Fortune are over $150, so it’s just easier to get your hands on Misfortune instead. Second, since Wheel of Misfortune can also deal out damage, it pairs well with your strategy of activating Angrath’s ultimate to drain life.

When it comes to building the deck itself, I’d include more wheel effects like Magus of the Wheel. I’d also build in ways to increase the loss of life players experience each turn so cards like Sheoldred, the Apocalypse and Ob Nixilis, the Hate-Twisted[card] that pair well with your wheel effects and cards like [card]Archfiend of Despair or Gray Merchant of Asphodel. Peer into the Abyss could also be a good add, but it’s a little risky in a format where combos are pretty easy to pull off.

#8. Gideon Blackblade + Armageddon

This Gideon Blackblade build is powerful, but it’s also a little mean. Because Gideon is indestructible, you can build in a lot of creature board wipes and ensure that you still have your oathbreaker to attack with. Armageddon will then be able to bring the game to a halt, leaving you with a 4/4 indestructible creature while everyone tries to rebuild their board.

To make this work, you’ll also want a good amount of mana rocks so you have a chance to cast Armageddon again even after you’ve destroyed all your lands. Tax and stax abilities can also be really impactful in this deck. By slowing down your opponents even more, you ensure that they can’t get a leg up on you. Cards like Land Tax will also be very helpful since they’ll allow you to ensure players aren’t rebuilding faster than you.

While this deck can be powerful, make sure you have a rule 0 conversation with your playgroup about it. It’s definitely the kind of deck that could be a little contentious and make the game less fun for some players.

#7. Tezzeret, the Seeker + Thoughtcast

Tezzeret, the Seeker is a little more expensive than I’d usually prefer for an oathbreaker, but his abilities definitely make up for it. His +1 can help you generate a lot of mana if you build in enough mana rocks, and this can also help offset his cost a bit. Being able to fetch artifacts from your deck is also very powerful, especially when Tezzeret will just go back to the command zone when he’s destroyed, allowing you to be more liberal with your use of his -X. His ultimate ability can also help win you the game by creating a field full of 5/5s.

Since you’ll naturally be running a lot of artifacts in this deck, Thoughtcast is a great signature spell option. Thanks to its affinity ability, you’ll be offsetting the signature spell tax each time you cast another artifact. Drawing more cards is always good, and that compared with Tezzeret’s -X makes this deck very good at finding the right cards at the right time.

#6. Wrenn and Six + Crop Rotation

This deck isn’t as much about Wrenn and Six as it is about Crop Rotation. Thanks to your oathbreaker’s low mana cost, you can easily drop Wrenn and Six turn two. Then, on the following turn, you can cast Crop Rotation once to find Thespian's Stage. Even if you haven’t played a third land yet, Wrenn and Six can ensure you get back the one you sacrificed to play Crop Rotation, and then you can cast your signature spell again to find Dark Depths. This means that on turn 4, you’ll be able to get Marit Lage onto the field, which is easily a death sentence for at least one player.

There are a couple of big advantages to this deck. For one, there aren’t very many cards that exile lands, and you’ll probably have Marit Lage before your opponent can cast most of them. While land destruction exists, Wrenn and Six can easily retrieve both Thespian's Stage and Dark Depths from your graveyard as needed. That makes it very hard to shut down this deck’s strategy permanently.

When I built this deck back in 2019, I included a lot of haste enablers in the 58 to make it easier to swing out with Marit Lage right away. I also included a copy of Fling so I could potentially take out two players in a single turn. Your strategy will mainly revolve around getting Marit Lage out, so your deck can focus largely on being a supplement to that strategy. Ramp cards could also be helpful, as you may need to recast Wrenn and Six at some point to get your Dark Depths or Thespian's Stage back from the graveyard if Marit Lage gets bounced or exiled.

#5. Narset, Parter of Veils + Windfall

Narset, Parter of Veils on its own can already be a very oppressive card. Combining it with Windfall creates a situation where it’ll be very difficult for your opponents to get anything done. Each time you cast Windfall, not only will your opponents be forced to ditch whatever they have going in their hands, but they’ll only get a single card to replace it thanks to Narset’s static ability. Meanwhile, you’ll be drawing back as many cards as you have in your hand, ensuring that you always have more resources than your opponents.

When it comes to building a deck around this combination, there are a few strategies to go with. You can include a lot of bounce spells, allowing you to put big threats back into their owners’ hands before making those players discard those cards. You can add more wheel effects; I think Wheel and Deal is a great inclusion in the 58 of this deck. When it comes to winning, you can try to stall the game until you’re able to cast or cheat out a big creature like Blightsteel Colossus, or you can utilize your consistent wheeling to shoot for a Laboratory Maniac or Thassa's Oracle win.

#4. Ral, Storm Conduit + Jeska’s Will

Ral, Storm Conduit’s ability to copy an instant or sorcery spell pairs very well with Jeska's Will, allowing for some explosive turns. By copying Jeska's Will, you’ll be getting double the mana and double the cards that it initially generates for you. You’ll likely be able to cast it again on the same turn if you need to dig deeper in your library. Since having more mana and more cards are basically the two things you need to win a game of Magic, this combination can have quite the impact.

When building a deck around this combination, I would personally focus on either storm or X spells. Jeska's Will has the potential to make a lot of mana when copied, which can be very dangerous when pumped into a spell like Crackle with Power. This extra mana could also allow you to cast a lot of spells and get your storm count pretty high.

#3. Nicol Bolas, Dragon God + The Elderspell

Even more so than Commander, Oathbreaker builds are very reliant on having their general on the field. This makes a card like Nicol Bolas, Dragon-God very difficult to deal with in the format. Not only can it just straight up remove another player’s oathbreaker, but it also copies the ability of everyone else’s walkers.

This version of Bolas only gets more dangerous when using The Elderspell as its signature spell. If the whole table has their oathbreaker out, you can destroy them all and add six loyalty counters to Bolas, which very likely will allow you to activate his ultimate ability and possibly win the game. Even if you don’t, you’ll probably take out at least one other player with this move, which you can repeat as often as you can pay for signature spell tax.

#2. Nissa, Who Shakes the World + Finale of Devastation

Nissa, Who Shakes the World can generate a lot of mana each turn. She makes your Forests tap for twice as much mana, and she can untap one of them, essentially making it possible to get four mana out of a single land each turn. Not only will she help you cast big spells, she can also create defense for herself by turning your lands into creatures.

Because of the extra mana you get from Nissa, Finale of Devastation pairs very well with her. You’ll be able to grab a big creature, and you’ll likely be able to make X greater than 10. This means you could grab something like a Craterhoof Behemoth and add a little extra mana to essentially double up its ability. You could also grab a Blightsteel Colossus or an Eldrazi Titan and give it haste.

#1. Professor Onyx + Chain of Smog

Professor Onyx is a very expensive oathbreaker, but combining her with Chain of Smog can create a game-winning combo. When you cast Chain of Smog, you just need to target yourself. You then have the opportunity to copy the card an infinite number of times, as actually having cards to discard doesn’t matter for its ability to copy itself. Each time you copy the spell, your opponents will lose two life from Professor Onyx’s static ability.

When it comes to building this deck, you’ll probably want to add in mana rocks and other ways to accelerate your mana production. That way you can get your oathbreaker out before your opponents figure out how your combo works and take you out of the game because of it. Removal spells can keep you safe from creatures and planeswalkers while you wait to cast your game-winning spell. Similar to the Jace, Wielder of Mysteries build, it’s possible for your opponents to interrupt this combo. While it won’t be as devastating, it can still be a high-risk strategy. What makes this build much better is that you get an entire deck to build around it, meaning you don’t have to fully rely on this combo to win if you don’t want to.

Wrap Up

Chain of Smog - Illustration by Greg Staples

Chain of Smog | Illustration by Greg Staples

With Oathbreaker getting more attention and more planeswalkers and spells being printed all the time, it’s likely that many powerful combinations like these will continue to pop up. It’ll be interesting to see how players go about building decks in this new format and how the meta will shift to address these powerful oathbreakers. I’m looking forward to seeing more interesting builds as the format grows in popularity, and maybe even gets some official supplements from Wizards.

Which oathbreaker would you like to build? Are there any powerful combinations you think deserved a spot on this list? Do you think the format will stick around or die off like Tiny Leaders? Let me know in the comments or on Draftsim’s Twitter.

Thanks for reading, and I look forward to seeing you in the next one!

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