Darksteel

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

{2}: Untap target artifact creature.

Each creature you control can't be blocked as long as defending player controls an artifact land.

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

Whenever Roaring Slagwurm attacks, tap all artifacts.

At the beginning of your upkeep, sacrifice a permanent. Whenever Greater Harvester deals combat damage to a player, that player sacrifices two perm...

{1}{U}{U}: Target permanent becomes an artifact in addition to its other types. (This effect lasts indefinitely.) {3}{U}: Gain control of target ar...

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

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

Whenever Gemini Engine attacks, create a colorless Construct artifact creature token named Twin that's attacking. Its power is equal to Gemini Engi...

Affinity for Swamps (This spell costs {1} less to cast for each Swamp you control.) Fear (This creature can't be blocked except by artifact creatu...

Whenever Arcbound Slith deals combat damage to a player, put a +1/+1 counter on it. Modular 1 (This creature enters the battlefield with a +1/+1 co...

As long as Auriok Glaivemaster is equipped, it gets +1/+1 and has first strike.

You may activate equip abilities any time you could cast an instant.

At the beginning of your upkeep, put a +1/+1 counter on each creature with modular you control. Modular 6 (This creature enters the battlefield wit...

Haste Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifac...

Trample, indestructible If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner'...

Trample Whenever another artifact enters the battlefield, put a +1/+1 counter on Arcbound Crusher. Modular 1 (This creature enters the battlefield ...

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

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

{U}: Target creature becomes an artifact in addition to its other types until end of turn. {U}: Until end of turn, target artifact creature become...

When Chittering Rats enters the battlefield, target opponent puts a card from their hand on top of their library.

Flying, trample When Eater of Days enters the battlefield, you skip your next two turns.

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