Prerequisites
- Spawnsire of Ulamog on the battlefield
- Earthcraft on the battlefield
- At least one of those sources should be a basic land
from various sources available
Steps
- Pay to activate Spawnsire of Ulamog's first activated ability, creating two 0/1 colorless Eldrazi Spawn creature tokens
- Use Earthcraft's activated ability on an Eldrazi spawn token, tapping it and untapping a basic land you control
- Float the mana from that basic land and untap it again with the other Eldrazi spawn token
- With
floating, sacrifice both of the Eldrazi spawn to make more - Use the you just made to again use Spawnsire of Ulamog's ability and repeat the loop
Results
Required Cards 2
Spawnsire of Ulamog
Creature — Eldrazi
