Overgrown Battlement + Umbral Mantle

G identity

Commander legal

The 2 combo pieces

• Overgrown Battlement
• Umbral Mantle

What must be in place

Overgrown Battlement does not have summoning sickness. You control at least three creatures with defender.

How to execute it

1. Activate Overgrown Battlement by tapping it, adding at least three mana of any color.
2. Activate Overgrown Battlement by paying {3} and untapping it, giving it +2/+2 until end of turn.
3. Repeat.

What the combo produces

• Infinite green mana
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control
• Infinitely large creature until end of turn