Diamond Knight
Diamond Knight
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.
+1/+1 Counters Aggro Artifacts Matter Combat Matters Counters Matter Knight Kindred Little Fellas Spells Matter Spellslinger Vigilance Voltron