Prerequisites
- Spawnsire of Ulamog on the battlefield
- Doubling Season on the battlefield
- available
Steps
- Activate Spawnsire of Ulamog by paying , creating four 0/1 Eldrazi Spawn creature tokens
- Activate the Eldrazi Spawns by sacrificing them, adding
- Repeat
Results
Required Cards 2
Spawnsire of Ulamog
Creature — Eldrazi
Doubling Season
Enchantment