Skullslither Worm {3}{B}
Creature — Worm
When this creature enters, each opponent discards a card. For each opponent who can't, put two +1/+1 counters on this creature.
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Cards that do something similar expected a card that isn't here?
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Cruel Grimnarch 90%
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"When this creature enters, each opponent discards a card. For each opponent who can't, you gain 4 life."
Refurbished Familiar 84%
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"When this creature enters, each opponent discards a card. For each opponent who can't, you draw a card."
Spellscorn Coven // Take It Back 84%
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"When this creature enters, each opponent discards a card."