How it works
Prerequisites
- Umbral Mantle attached to Llanowar Tribe.
- Llanowar Tribe does not have summoning sickness.
Steps
- 1Activate Llanowar Tribe by tapping it, adding .
- 2Leyline of Abundance triggers, adding .
- 3Activate Llanowar Tribe by paying and untapping it, giving itself +2/+2 until end of turn.
- 4Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?