Requires

Yawgmoth, Thran Physician must be on the battlefield. Voidwing Hybrid must be in hand. Cryptic Trilobite must be on the battlefield. Chromatic Orrery must be on the battlefield. Cryptic Trilobite has at least one +1/+1 counter on it. Mana needed:

Steps

1. Activate Yawgmoth's second ability by paying and discarding Voidwing Hybrid, causing you to put a +1/+1 counter on Cryptic Trilobite.
2. Voidwing Hybrid triggers, returning itself from your graveyard to your hand.
3. Activate Cryptic Trilobite by removing a +1/+1 counter from it, adding that can only be spent to activate abilities.
4. Repeat.

Results