Kiki-Jiki, Mirror Breaker + Agatha's Soul Cauldron + First Day of Class
Kiki-Jiki, Mirror Breaker
Agatha's Soul Cauldron
First Day of Class
Requires
Kiki-Jiki, Mirror Breaker must be in exile (exiled by Agatha's Soul Cauldron).
Agatha's Soul Cauldron must be on the battlefield.
First Day of Class must be in hand.
You control at least one other creature that has at least one +1/+1 counter on it and that does not have summoning sickness.
Mana needed: 
Steps
- Cast First Day of Class by paying .
- Activate a creature you control with a +1/+1 counter on it using Kiki-Jiki's ability by tapping it, creating a token copy of any nonlegendary creature you control with haste.
- When the creature token enters the battlefield, First Day of Class triggers, putting a +1/+1 counter on it.
- Repeat from step 2.
Results
Infinite creature tokens with haste. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.
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