Zygon Infiltrator (Surge Foil) [Doctor Who]

Set: Doctor Who Type: Creature — Alien Shapeshifter Soldier Rarity: Uncommon Cost: {2}{U} Body-print — {2}{U}: Tap another target creature and put a stun counter on it. Zygon Infiltrator becomes a copy of that creature for as long as that creature remains tapped. Activate only as a sorcery. (If a permanent with a stun counter would become untapped, remove one from it instead.)