Return to the Sewers
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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.")
What it does
Tagged as +1/+1 counters — the jobs the deck report counts it toward.
Official rulings
- 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. (2026-01-27)
- Mutagen tokens are a kind of predefined token. Each one is a colorless artifact with the artifact subtype Mutagen and the ability "{1}, {T}, Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery." (2026-01-27)
Printings & prices
Every set Return to the Sewers has been printed in, with the art, the finishes and the market price of each — the headline price above is the cheapest of these.
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