flavorText: "We strike hard and fade away into the night."
  —Leonardo
name: Return to the Sewers
printings: TMT
text: 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.")
type: Instant