Prerequisites
- Gravelgill Axeshark on the battlefield
 - Luminous Broodmoth on the battlefield
 - Ashnod's Altar on the battlefield
 
Steps
- Sacrifice Gravelgill Axeshark to Ashnod's Altar to add 
 - Return Gravelgill Axeshark to the battlefield with the persist trigger, giving it a -1/-1 counter
 - Sacrifice Gravelgill Axeshark to Ashnod's Altar to add 
 - Return Gravelgill Axeshark to the battlefield with the Luminous Broodmoth trigger, giving it a flying counter
 - Repeat
 
Results
Required Cards 3

Gravelgill Axeshark
Creature — Merfolk Soldier

Luminous Broodmoth
Creature — Insect
