Within the game of Invoke Strike, there are a variety of different card types. Card types designate how a card can be played, as well as what effects and abilities it contains.
- Head Mages are placed right above the player's Archive.
- A Head Mage designates what elements a player has in their deck. Cards within the deck must share at least one element with their head mage.
- During a player's Infuse Phase, a player can choose to discharge or overexert their head mage to put vessels into play.
- Even though Head Mages cannot be dissipated, they can still be discharged and affected by status ailments.