Invasion of Kamigawa // Rooftop Saboteurs

Invasion of KamigawaBattle — Siege

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When this Siege enters, tap target artifact or creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Rooftop SaboteursCreature — Moonfolk Ninja

Flying Whenever this creature deals combat damage to a player or battle, draw a card.