How it works
Prerequisites
- You control another Knight or Merfolk.
- There is a removable counter on a nonland permanent you control
Steps
- 1Activate O'aka by tapping it and removing a counter from a nonland permanent, causing you to draw a card.
- 2Vodalian Wave-Knight triggers, putting a counter on another Knight or Merfolk you control.
- 3Activate Mind Over Matter by discarding a card, untapping O'aka.
- 4Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?