How it works
Prerequisites
- Opponents control at least ten tapped lands.
Steps
- 1Cast Mana Geyser by paying , adding for each tapped land your opponents control.
- 2Cast Devastating Onslaught by paying , creating two token copies of Pinnacle Monk with haste.
- 3When the Pinnacle Monk tokens enter, they trigger, returning Mana Geyser and Devastating Onslaught from your graveyard to your hand.
- 4Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?