Darksteel

{X}, {T}: Target opponent reveals cards from the top of their library until an artifact card or X cards are revealed, whichever comes first. If an ...

As long as this artifact is untapped, if a creature would deal combat damage to you, prevent 1 of that damage. {2}, {T}: Attacking creatures get +1...

As long as this artifact is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cos...

All combat damage that would be dealt to you this turn is dealt to target attacking creature instead.

Destroy target Equipment. If that Equipment was attached to a creature, Unforge deals 2 damage to that creature.

{T}: Add {C}{C}.

{T}: Add two mana of any one color. Spend this mana only to cast artifact spells or activate abilities of artifacts.

Counter target spell. That spell's controller may draw a card.

{1}, {T}: Add one mana of any color.

{1}{G}, Sacrifice this creature: Destroy target artifact or enchantment.

{2}: Untap target artifact creature.

Equipped creature gets +2/+2. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

When this creature enters, sacrifice it unless you sacrifice an artifact.

{T}, Sacrifice an Island: Create a 2/2 blue Elemental creature token with flying. {T}, Sacrifice a Mountain: Create a 3/3 red Elemental creature to...

Whenever you gain life, you may pay {X}, where X is less than or equal to the amount of life you gained. If you do, draw X cards.

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.) Equip {2}

{3}, {T}: Flip a coin. If you win the flip, create a 2/2 colorless Insect artifact creature token with flying named Wirefly. If you lose the flip, ...

Whenever a player casts a green spell, you may gain 1 life.