Prerequisites
- Umbral Mantle on the battlefield
- Axebane Guardian on the battlefield
Steps
- Activate Axebane Guardian by tapping it, adding at least three mana of any color
- Activate Axebane Guardian by paying
and untapping it, giving it +2/+2 until end of turn
- Repeat
Results
- Infinite colored mana
- Infinitely large creature until end of turn
- Infinite untap of creatures you control
- Infinite mana creatures you control can produce
Required Cards 2
Umbral Mantle
Artifact — Equipment
Axebane Guardian
Creature — Human Druid