Requires

Inalla, Archmage Ritualist must be on the battlefield, or in the command zone. Cloudstone Curio must be on the battlefield. Great Whale must be in hand. Xenograft must be on the battlefield. You control up to seven lands that can tap to produce at least . "Wizard" chosen with Xenograft. Mana needed:

Steps

1. Activate up to seven lands by tapping them, adding at least .
2. Cast Great Whale by paying .
3. When Great Whale enters the battlefield, it, Cloudstone Curio and Inalla trigger.
4. Resolve the Cloudstone Curio trigger, returning nothing to your hand from the battlefield.
5. Resolve the Great Whale trigger, untapping up to seven lands.
6. Activate up to seven lands by tapping them, adding at least .
7. Resolve the Inalla trigger, causing you to pay to create a token copy of Great Whale with haste.
8. When the Great Whale token enters the battlefield, it and Cloudstone Curio trigger.
9. Resolve the Cloudstone Curio trigger, returning the nontoken Great Whale to your hand from the battlefield.
10. Resolve the Great Whale trigger, untapping up to seven lands.
11. Repeat.

Results