Kappa Cannoneer

驮炮河童 (Kappa Cannoneer) (zhs)

Artifact Creature - Turtle Warrior | Power/Toughness: 4 / 4 (CMC 6)
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
Ward
Whenever an artifact enters the battlefield under your control, put a +1/+1 counter on Kappa Cannoneer and it can't be blocked this turn.