Requires

Wick, the Whorled Mind must be in hand. Bartolomé del Presidio must be on the battlefield. Arcane Adaptation must be on the battlefield. Arcane Adaptation on the battlefield with "Rat" chosen. Mana needed:

Steps

1. Cast Wick by paying .
2. When Wick enters the battlefield, it triggers.
3. Holding priority, if you control a Snail, activate Bartolomé del Presidio by sacrificing the Snail, putting a +1/+1 counter on Bartolomé del Presidio.
4. If needed, repeat step 3 until you do not control a Snail.
5. Resolve the Wick trigger, creating a 1/1 Snail creature token.
6. When the Snail enters the battlefield as a Rat due to Arcane Adaptation, Wick triggers.
7. Repeat from step 3.

Results