If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on it instead.
Weakness is not in the nature of the Swarm.
Digital-only printing
No paper market price
Corpsejack Menace from Magic Online Promos is a digital-only printing (MTG Arena or Magic Online). This printing has no physical card, so TCGplayer and Cardmarket paper prices do not apply.
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