Requires

Teshar, Ancestor's Apostle must be on the battlefield. Cloudstone Curio must be on the battlefield. Uro, Titan of Nature's Wrath must be on the battlefield, or in the graveyard. Memnite must be in hand, or on the battlefield. Phyrexian Walker must be in hand, or on the battlefield. One of the cost creatures must be in your hand, and the other must be on the battlefield.

Steps

1. Cast the historic creature from your hand by paying .
2. Teshar triggers, returning Uro from your graveyard to the battlefield.
3. When Uro enters the battlefield, its first and second abilities and Cloudstone Curio trigger.
4. Resolve the first Uro trigger, causing you to sacrifice it.
5. Resolve the second Uro trigger, causing you to gain 3 life and draw a card, and allowing you to put a land card from your hand onto the battlefield.
6. Resolve the Cloudstone Curio trigger, returning the other historic creature with mana cost from the battlefield to your hand.
7. Resolve the creature spell cast in step 1.
8. Repeat.

Results