Animar, Soul of Elements + Cloudstone Curio + Ugin's Conjurant + 1 more
Infinite +1/+1 counters on certain creatures, Infinite ETB, Infinite LTB, Infinite storm count, Infinite +1/+1 counters on a creature
Cast Ugin's Conjurant, choosing one for X, but paying due to Animar.
Animar triggers, putting a +1/+1 counter on itself.
Ugin's Conjurant enters the battlefield, triggering Cloudstone Curio, returning Eternal Scourge from the battlefield to your hand.
Cast Eternal Scourge by paying .
Animar triggers, putting a +1/+1 counter on itself.
Eternal Scourge enters the battlefield, triggering Cloudstone Curio, returning Ugin's Conjurant from the battlefield to your hand.
Repeat.
Component Cards
How It Works
Cast Ugin's Conjurant, choosing one for X, but paying due to Animar.
Animar triggers, putting a +1/+1 counter on itself.
Ugin's Conjurant enters the battlefield, triggering Cloudstone Curio, returning Eternal Scourge from the battlefield to your hand.
Cast Eternal Scourge by paying .
Animar triggers, putting a +1/+1 counter on itself.
Eternal Scourge enters the battlefield, triggering Cloudstone Curio, returning Ugin's Conjurant from the battlefield to your hand.
Repeat.