Body-print — : 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.)

At the beginning of your upkeep, destroy all nonland permanents with the first name alphabetically among nonland permanents.