First Day of Class + Yahenni, Undying Partisan + Persist Creature

Prerequisites

• Persist Creature

Steps

1. 1Cast First Day of Class by paying .
2. 2Activate Yahenni by sacrificing the persist creature.
3. 3When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
4. 4When the persist creature enters, First Day of Class triggers, putting a +1/+1 counter on the persist creature.
5. 5Resolve the Yahenni ability.
6. 6Repeat from step 2

Effects

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers