Darksteel

{W}, {T}: Tap target creature.

{T}, Sacrifice an artifact: Add {R}{R}.

{R}, {T}: Flip a coin. If you win the flip, destroy target artifact and untap Goblin Archaeologist. If you lose the flip, sacrifice Goblin Archaeol...

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying When Furnace Dragon enters the battlefield, if you...

Whenever a player casts an artifact spell, that player gains control of Drooling Ogre. (This effect lasts indefinitely.)

Crazed Goblin attacks each combat if able.

Scavenging Scarab can't block.

{T}: Target creature gets +1/+1 until end of turn. Whenever you cast a spell, you may untap Leonin Battlemage.

At the beginning of your end step, if Nim Abomination is untapped, you lose 3 life.

Mephitic Ooze gets +1/+0 for each artifact you control. Whenever Mephitic Ooze deals combat damage to a creature, destroy that creature. The creatu...

Flying {B}, Pay 1 life: Grimclaw Bats gets +1/+1 until end of turn.

Flying Whenever Emissary of Despair deals combat damage to a player, that player loses 1 life for each artifact they control.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) When Quicksilver Behemoth attacks or blocks, return it to...

Flying Whenever Emissary of Hope deals combat damage to a player, you gain 1 life for each artifact that player controls.

Flying Discard an artifact card: Return Neurok Prodigy to its owner's hand.

Flying Hoverguard Observer can block only creatures with flying.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying When Chromescale Drake enters the battlefield, rev...

{2}: Untap target artifact creature.

Affinity for Forests (This spell costs {1} less to cast for each Forest you control.)

{W}, {T}, Return Steelshaper Apprentice to its owner's hand: Search your library for an Equipment card, reveal that card, and put it into your hand...

When Sundering Titan enters the battlefield or leaves the battlefield, choose a land of each basic land type, then destroy those lands.

Whenever Spincrusher blocks, put a +1/+1 counter on it. Remove a +1/+1 counter from Spincrusher: Spincrusher can't be blocked this turn.

Affinity for Plains (This spell costs {1} less to cast for each Plains you control.) Vigilance

Affinity for Mountains (This spell costs {1} less to cast for each Mountain you control.) Haste