CommanderModernLegacyVintage
Result
Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers
Donate Blightbeetle to an opponent
Activate Yahenni by sacrificing the undying creature.
When the undying creature dies, its undying ability triggers, returning itself from your graveyard to the battlefield without a +1/+1 counter on it due to Blightbeetle.
Resolve the Yahenni ability.
Repeat from step 2.
Component Cards
How It Works
1
Donate Blightbeetle to an opponent
Activate Yahenni by sacrificing the undying creature.
When the undying creature dies, its undying ability triggers, returning itself from your graveyard to the battlefield without a +1/+1 counter on it due to Blightbeetle.
Resolve the Yahenni ability.
Repeat from step 2.