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{T}: Add {C}. Any time you could mulligan and this card is in your hand, you may exile all the cards from your hand, then draw that many cards. (You can do this in addition to taking mulligans.)
Abilities, attacks, weakness & resistance
Other cards from Darksteel
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Serum Powder (DST-138) is a Rare artifact from the Darksteel set. It taps for one colorless mana and also has a replacement-style ability you can use from your hand to exile your entire hand and draw that many cards instead of taking a mulligan. The exile effect lasts for the game and is intended only to be used as an alternate mulligan method rather than a recurring in-game ability.
Catalog pricing data as of 18 Apr 2026, 23:59
