
Vigilance (Attacking doesn't cause this creature to tap.)
As this creature enters, choose a color.
Whenever you cast a spell of the chosen color, put a +1/+1 counter on this creature.
Diamond Knight has 1 printing, first in Core Set 2020 (2019). EDHREC ranks it #15,159 among Commander cards. It appears most in Dion, Bahamut's Dominant // Bahamut, Warden of Light decks (1,160 on EDHREC). It has 3 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.