Miirym, Sentinel Wyrm | Biovisionary | Cloudstone Curio

(and one other card)

({3} magic symbol) ({G} magic symbol) ({G} magic symbol) ({G} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) available.

Cast
Biovisionary by paying ({1} magic symbol) ({G} magic symbol) ({U} magic symbol) .
When
Biovisionary enters the battlefield,
Cloudstone Curio and
Miirym trigger.
Resolve the
Cloudstone Curio trigger, choosing to return nothing to your hand from the battlefield.
Resolve the
Miirym trigger, creating a token copy of
Biovisionary.
When the
Biovisionary token enters the battlefield,
Cloudstone Curio triggers, returning the nontoken
Biovisionary to your hand from the battlefield.
Repeat from step 1 one additional time.
Repeat steps 1 though 4 one additional time.
Resolve the
Cloudstone Curio trigger from the
Biovisionary token, choosing not to return anything to your hand from the battlefield.
At the beginning of your end step, each
Biovisionary triggers.
Resolve the first trigger, causing you to win the game.