Color Identity: G

Initial Card State
- Umbral Mantle and Axebane Guardian on the battlefield.
Easy Prerequisites
- Umbral Mantle attached to Axebane Guardian.
Notable Prerequisites
- Axebane Guardian does not have summoning sickness.
- You control at least three creatures with defender.
Steps
- Activate Axebane Guardian by tapping it, adding at least three mana of any color.
- Activate Axebane Guardian by paying ({3} magic symbol)
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.
Bracket Tag
This combo has been estimated to be Spicy (Bracket 3-4+).