Wick, the Whorled Mind | Bartolomé del Presidio | Leyline of Transformation

Cards

Wick in hand.
Bartolomé del Presidio and
Leyline of Transformation on the battlefield (
Leyline of Transformation with "Rat" chosen).
({3} magic symbol) ({B} magic symbol) available.

Cast
Wick by paying ({3} magic symbol) ({B} magic symbol) .
When
Wick enters the battlefield, it triggers.
Holding priority, if you control a Snail, activate
Bartolomé del Presidio by sacrificing the Snail, putting a +1/+1 counter on
Bartolomé del Presidio.
If needed, repeat step 3 until you do not control a Snail.
Resolve the
Wick trigger, creating a 1/1 Snail creature token.
When the Snail enters the battlefield as a Rat due to
Leyline of Transformation,
Wick triggers.
Repeat from step 3.