Stregoneria
Metti un segnalino +1/+1 su una creatura bersaglio che controlli, poi infligge danno pari alla sua forza a una creatura bersaglio controllata da un avversario.
You can’t cast Knockout Maneuver unless you choose a creature you control and a creature an opponent controls as targets.
If either creature is an illegal target as Knockout Maneuver resolves, the creature you control won’t deal damage. If the creature you control is an illegal target, you won’t put a +1/+1 counter on it even if it’s still on the battlefield.