Unbreakable Formation is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.
Official card text
Creatures you control gain indestructible until end of turn. Addendum — If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.
Complete guide
Unbreakable Formation is a versatile white instant that serves as both a powerful defensive shield and an aggressive finishing move. By leveraging the Addendum mechanic, you can choose between protecting your board at instant speed or bolstering your army for a decisive attack.
Protecting Your Ranks
At its base level, Unbreakable Formation grants all creatures you control indestructible until the end of the turn. This means they cannot be destroyed by effects that say 'destroy' or by lethal combat damage. Note that this only applies to creatures you control at the exact moment the spell resolves; any creatures entering the battlefield later in the turn will not be protected.
Mastering Addendum
If you cast this spell during your main phase, the Addendum bonus triggers. In addition to gaining indestructible, each creature you control receives a +1/+1 counter and gains vigilance until end of turn. This bonus is part of the spell's resolution. Remember that if the spell is countered, you get neither the protection nor the counters, and copying the spell with another effect will not trigger Addendum since the copy wasn't 'cast' during your main phase.
Timing and Strategy
Choosing when to play Unbreakable Formation is key to victory. During an opponent's turn, it acts as a response to board wipes or a way to win combat trades. During your own main phase, it transforms your creatures into an indestructible, vigilant force that can attack without tapping, leaving them ready to block on the following turn.
Interaction examples
Generous GiftIf your opponent casts Generous Gift targeting your favorite creature, you can cast Unbreakable Formation in response. As Unbreakable Formation resolves, your creature gains indestructible. When Generous Gift attempts to resolve, it fails to destroy your creature because of its new protection. You keep your creature and your opponent spent a card for nothing.
Teferi's ProtectionIf you cast Unbreakable Formation during your main phase, your creatures get counters and indestructible. If you later cast Teferi's Protection, those creatures phase out. When they phase back in on your next turn, they will still have the +1/+1 counters because counters stay on phased-out permanents, though the temporary indestructible and vigilance effects will have expired.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Unbreakable Formation
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
Addendum abilities of instant spells apply while the spell is resolving, not immediately after casting it. If the spell is countered, you don't get the addendum bonus.
No other card is named in this ruling.
- #2· Wizards of the Coast
If an effect copies a spell with an addendum ability while it's on the stack, the copy wasn't cast at all, so you won't get the addendum bonus.
No other card is named in this ruling.
- #3· Wizards of the Coast
Unbreakable Formation affects only creatures you control at the time it resolves. Creatures you begin to control later in the turn won't gain indestructible or vigilance and they won't get a +1/+1 counter.
No other card is named in this ruling.
Popular combos
Real combos played by the community, sorted by popularity.
Apex Altisaur + Wrathful Raptors + Unbreakable Formation
- 1Cast Apex Altisaur by paying
. - 2When Apex Altisaur enters, its first ability triggers.
- 3Holding priority, cast Unbreakable Formation by paying its mana cost, giving creatures you control indestructible until end of turn.
- 4Resolve the Apex Altisaur trigger, causing it to fight a creature you don't control.
- 5If the opposing creature dealt damage to Apex Altisaur, Apex Altisaur's second ability and Wrathful Raptors trigger.
- 6Resolve the Wrathful Raptors trigger, dealing damage to any opponent.
- 7Resolve the Apex Altisaur trigger, causing it to fight a creature you don't control.
- 8Repeat from step 4 until your opponents control no creatures. If they happen to control an indestructible creature with power above 0, this loop can be done infinitely.
Sonic the Hedgehog + Krark-Clan Shaman + Unbreakable Formation
- 1Cast Unbreakable Formation by paying
, giving creatures you control indestructible until end of turn. - 2Activate Krark-Clan Shaman by sacrificing an artifact, dealing 1 damage to each creature without flying.
- 3Sonic's second ability triggers for each creature you control with haste or flash that was dealt damage, creating that many tapped Treasure tokens.
- 4Repeat from step 2.
Red Hulk + Boros Reckoner + Unbreakable Formation
- 1Give Red Hulk and Boros Reckoner indestructible using Unbreakable Formation.
- 2Deal damage to Red Hulk.
- 3Red Hulk triggers, putting a +1/+1 counter on it and dealing damage to Boros Reckoner.
- 4Boros Reckoner triggers, dealing damage to Red Hulk.
- 5Repeat from step 3.
Red Hulk + Screaming Nemesis + Unbreakable Formation
- 1Give Red Hulk and Screaming Nemesis indestructible using Unbreakable Formation.
- 2Deal damage to Red Hulk.
- 3Red Hulk triggers, putting a +1/+1 counter on it and dealing damage to Screaming Nemesis.
- 4Screaming Nemesis triggers, dealing damage to Red Hulk.
- 5Repeat from step 3.
Red Hulk + Spitemare + Unbreakable Formation
- 1Give Red Hulk and Spitemare indestructible using Unbreakable Formation.
- 2Deal damage to Red Hulk.
- 3Red Hulk triggers, putting a +1/+1 counter on it and dealing damage to Spitemare.
- 4Spitemare triggers, dealing damage to Red Hulk.
- 5Repeat from step 3.
Red Hulk + Ill-Tempered Loner // Howlpack Avenger + Unbreakable Formation
- 1Give Red Hulk and Ill-Tempered Loner // Howlpack Avenger indestructible using Unbreakable Formation.
- 2Deal damage to Red Hulk.
- 3Red Hulk triggers, putting a +1/+1 counter on it and dealing damage to Ill-Tempered Loner // Howlpack Avenger.
- 4Ill-Tempered Loner // Howlpack Avenger triggers, dealing damage to Red Hulk.
- 5Repeat from step 3.
Legal formats
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Meta decks with Unbreakable Formation
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