How it works
Prerequisites
- Opponents control at least nine tapped lands.
Steps
- 1Activate Soulfire Grand Master by paying , causing you to put the next instant or sorcery card you cast from your hand this turn into your hand as it resolves.
- 2Cast Mana Geyser by paying , adding for each tapped land opponents control and returning Mana Geyser to your hand.
- 3Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?