Anti-Venom, Horrifying Healer + Cloudstone Curio + Great Whale + Yahenni, Undying Partisan

Anti-Venom, Horrifying Healer

Cloudstone Curio

Great Whale

Yahenni, Undying Partisan

How it works

1. Activate up to seven lands by tapping them, adding at least .
2. Cast Anti-Venom by paying .
3. When Anti-Venom enters, its first ability and Cloudstone Curio trigger.
4. Resolve the Cloudstone Curio trigger, returning nothing to your hand.
5. Resolve the Anti-Venom trigger, returning Great Whale from your graveyard to the battlefield.
6. When Great Whale enters, it and Cloudstone Curio trigger.
7. Resolve the Great Whale trigger, untapping up to seven lands.
8. Resolve the Cloudstone Curio trigger, returning Anti-Venom from the battlefield to your hand.
9. Activate Yahenni by sacrificing Great Whale.
10. Repeat.

This looping masterpiece uses Cloudstone Curio as a bouncing engine to continuously replay Anti-Venom and Great Whale from your graveyard and hand. Each time Great Whale enters the battlefield, its untap trigger fuels the mana needed to recast Anti-Venom, which in turn fishes the Whale right back out of your graveyard. Meanwhile, Yahenni, Undying Partisan sits nearby to cheerfully devour the Whale when needed, turning this mechanical cycle into a goldmine for infinite death triggers and sacrifices.