Prerequisites
- Zaxara, the Exemplary on the battlefield
- Umbral Mantle on the battlefield
- Biomancer's Familiar on the battlefield
Steps
- Activate Zaxara by tapping it, adding two mana of any color
- Activate Zaxara by paying
and untapping it, giving itself +2/+2 until end of turn
- Repeat
Results
- Infinite colored mana
- Infinitely large Zaxara until end of turn
- Infinite untap of creatures you control
- Infinite mana creatures you control can produce
- Infinitely large creature until end of turn
Required Cards 3
Zaxara, the Exemplary
Legendary Creature — Nightmare Hydra
Umbral Mantle
Artifact — Equipment
Biomancer's Familiar
Creature — Mutant