How it works
Prerequisites
- Overgrown Battlement does not have summoning sickness. You control at least three creatures with defender.
- Umbral Mantle attached to Overgrown Battlement.
Steps
- 1Activate Overgrown Battlement by tapping it, adding at least three mana of any color.
- 2Activate Overgrown Battlement by paying and untapping it, giving it +2/+2 until end of turn.
- 3Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Spicy tier?
Spellbook classifies this as Spicy — not for these brackets.