Return to the Sewers

Instant

Target creature's owner puts it on their choice of the top or bottom of their library. You create a Mutagen token. (It's an artifact with "{1}, {T}, Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")

"We strike hard and fade away into the night." —Leonardo

ArtistaMiklós Ligeti