Procyon, the Gunslinger

+1: You may discard a card from your hand. If you do, Procyon, the Gunslinger deals 3 damage to any target.
-1: Target creature can't be blocked this turn. Scry 1.
-6: Procyon, the Gunslinger deals 5 damage to all opponents and creatures they control. You gain 1 life for each creature that have died this way.