How it works
Prerequisites
- The Swarmlord has two +1/+1 counters on each for each time you've cast it from the command zone this game.
Steps
- 1Activate Greater Good by sacrificing The Swarmlord.
- 2Choose to return The Swarmlord to the command zone from your graveyard.
- 3The Swarmlord dies, causing you to draw a card.
- 4Resolve the Greater Good ability, causing you to draw a number of cards equal to The Swarmlord's power, and then discard three cards.
- 5Activate Firemind Vessel by tapping it, adding two mana of different colors.
- 6Activate Mind over Matter by discarding a card, untapping Firemind Vessel.
- 7Repeat from step 5 until you have enough mana to cast The Swarmlord.
- 8Cast The Swarmlord from the command zone by paying and commander tax, causing The Swarmlord to enter the battlefield with two +1/+1 counters for each time you've cast it from the command zone this game.
- 9Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?