Ælric, Serene Shell

Defender
Careful Strike—(Whenever you attack, you may discard a card. If you do, creatures you control get +2/+0 and gain vigilance until end of turn.)

{u}{b}: Transform Ælric. Activate only if you have discarded a card this turn.

"Peace is a fragile illusion, and a quiet heart can silence the chaos, if only for a moment."