As an additional cost to cast this spell, sacrifice an artifact.Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.
Indestructible (Effects that say "destroy" don't destroy this artifact.)At the beginning of your upkeep, you may put a charge counter on Darksteel Reactor.When Darksteel Reactor has twenty or more charge counters on it, you win the game.
All permanents are artifacts in addition to their other types.All cards that aren't on the battlefield, spells, and permanents are colorless.Players may spend mana as though it were mana of any color.
At the beginning of your upkeep, you may put a charge counter on Aether Vial.: You may put a creature card with mana value equal to the number of charge counters on Aether Vial from your hand onto the battlefield.
Cast this spell only during your turn and only during combat.Choose one —• Creatures you control gain double strike until end of turn.• Untap all creatures you control. After this phase, there is an additional combat phase.Entwine (Choose both if you pay the entwine cost.)
: Target permanent becomes an artifact in addition to its other types. (This effect lasts indefinitely.): Gain control of target artifact. (This effect lasts indefinitely.)
Equipped creature gets +2/+2 and has protection from white and from black.Whenever equipped creature deals combat damage to a player, you gain 3 life and you may return up to one target creature card from your graveyard to your hand.Equip
Remove a +1/+1 counter from Arcbound Reclaimer: Put target artifact card from your graveyard on top of your library.Modular 2 (This creature enters with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)
: Add .Any time you could mulligan and Serum Powder 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.)
