Miirym, Sentinel Wyrm + Biovisionary + Cloudstone Curio + Maskwood Nexus

Miirym, Sentinel Wyrm

Biovisionary

Cloudstone Curio

Maskwood Nexus

How it works

1. Cast Biovisionary by paying 1.
2. When Biovisionary enters the battlefield, Cloudstone Curio and Miirym trigger.
3. Resolve the Cloudstone Curio trigger, choosing to return nothing to your hand from the battlefield.
4. Resolve the Miirym trigger, creating a token copy of Biovisionary.
5. When the Biovisionary token enters the battlefield, Cloudstone Curio triggers, returning the nontoken Biovisionary to your hand from the battlefield.
6. Repeat from step 1 one additional time.
7. Repeat steps 1 though 4 one additional time.
8. Resolve the Cloudstone Curio trigger from the Biovisionary token, choosing not to return anything to your hand from the battlefield.
9. At the beginning of your end step, each Biovisionary triggers.
10. Resolve the first trigger, causing you to win the game.