Return to the Sewers
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 "
, 
, 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
Illustrated by Miklós Ligeti
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Some spells and abilities that create Mutagen tokens require targets. If each target chosen is an illegal target as that spell or ability tries to resolve, it won't resolve. The Mutagen token won't be created.
Mutagen tokens are a kind of predefined token. Each one is a colorless artifact with the artifact subtype Mutagen and the ability "
, , Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery."
