Serum Powder is a rare Artifact card from Magic: The Gathering (Darksteel, DST). Current market price: $2.40.
Rare
Darksteel (DST)
{3}
Mana Value
3
Card Text
{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.)
