Return target nonland permanent to its owner's hand. If that permanent had mana value 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Serum Snare has 1 listed printing; the most valuable is the printing from ONE at US$0.31 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.
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