Infinite +1/+1 counters on a creature, Infinite colorless mana, Infinite death triggers, Infinite ETB, Infinite LTB, Infinite sacrifice triggers, Infinite storm count
Cast Iron Apprentice by paying , causing it to enter the battlefield with a +1/+1 counter on it.
Activate Ashnod's Altar by sacrificing Iron Apprentice, adding .
When Iron Apprentice dies, it triggers, putting a +1/+1 counter on Evolution Witness.
Evolution Witness triggers, returning Iron Apprentice from your graveyard to your hand.
Repeat.
Component Cards
How It Works
Cast Iron Apprentice by paying , causing it to enter the battlefield with a +1/+1 counter on it.
Activate Ashnod's Altar by sacrificing Iron Apprentice, adding .
When Iron Apprentice dies, it triggers, putting a +1/+1 counter on Evolution Witness.
Evolution Witness triggers, returning Iron Apprentice from your graveyard to your hand.
Repeat.