Merchant of the Vale // Haggle {2}{R} // {R}
Creature — Human Peasant // Instant — Adventure
{2}{R}, Discard a card: Draw a card.
You may discard a card. If you do, draw a card. (Then exile this card. You may cast the creature later from exile.)
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Cards that do something similar expected a card that isn't here?
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Summon: G.F. Ifrit 100%
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"You may discard a card. If you do, draw a card."
+1 more matching line
Ral and the Implicit Maze 99%
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"You may discard a card. If you do, exile the top two cards of your library. You may play them until the end of your next turn."
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"{1}{R}, Discard a card: Draw a card. Activate only if this creature is attacking."