Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)
As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost to cast costs to cast instead.)
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.
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.)
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
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.
Equipment named Sword of Kaldra, Shield of Kaldra, and Helm of Kaldra have indestructible.Equipped creature has indestructible. (Damage and effects that say "destroy" don't destroy it.)Equip
Sacrifice an artifact: Put a +1/+1 counter on Arcbound Ravager.Modular 1 (This creature enters with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)
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.
: 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.)
At the beginning of your upkeep, put a +1/+1 counter on each creature you control with modular.Modular 6 (This creature enters with six +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)