Real Fake Doors

{t}: Add {c}.
{t}: Target attacking creature's controller flips
a coin. If they lose the flip, remove the creature
from combat.
"Hey, are you tired of real doors, cluttering up your
house, where you open 'em, and they actually go
somewhere? And you go in another room? Get on down
to Real Fake Doors!"—Real Fake Doors Salesman