Darksteel

Defender (This creature can't attack.) Protection from artifacts Whenever an opponent casts an artifact spell, you may create a 1/1 green Insect cr...

Flying Hoverguard Observer can block only creatures with flying.

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

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

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

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

When Vulshok War Boar enters the battlefield, sacrifice it unless you sacrifice an artifact.

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

Flying Indestructible (Damage and effects that say "destroy" don't destroy this creature.)

Imprint — {1}: Exile target creature card from your graveyard. As long as a card exiled with Death-Mask Duplicant has flying, Death-Mask Duplicant ...

{1}: Target artifact creature blocks Auriok Siege Sled this turn if able. {1}: Target artifact creature can't block Auriok Siege Sled this turn.

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...

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...

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

Whenever Fangren Firstborn attacks, put a +1/+1 counter on each attacking creature.

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...

Whenever Roaring Slagwurm attacks, tap all artifacts.

Sacrifice an artifact: Put a +1/+1 counter on Arcbound Ravager. Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it...

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}.

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

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