Initial Card State
- All permanents on the battlefield (Mutant Creature without a -1/-1 counter on it).
Steps
- Activate Yahenni by sacrificing the other Mutant.
- When the Mutant dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
- When the Mutant enters, X-23 triggers, putting a +1/+1 counter on X-23 and the other Mutant.
- Resolve the Yahenni ability.
- Repeat.
Notes
- The chosen Mutant must have toughness 2 or greater.
Results
- Infinite +1/+1 counters on a creature.
- Infinite ETB.
- Infinite LTB.
- Infinite death triggers.
- Infinite sacrifice triggers.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).