+ Strength/+ Health equal to the cost of your highest cost relic.
Card sounds may differ from in-game as they get updated.
Killer - A unit with Killer can make one special attack directly against an enemy unit. This can be done the turn it's played, and can target any unit, regardless of Flying, Aegis, or other special abilities.
Pledge - On your first turn, a card with Pledge can be played as a Sigil.