Darksteel

First strike Modular 4 (This creature enters the battlefield with four +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target...

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

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

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

Karstoderm enters the battlefield with five +1/+1 counters on it. Whenever an artifact enters the battlefield, remove a +1/+1 counter from Karstoderm.

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

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

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) At the beginning of your upkeep, you may move a +1/+1 c...

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

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

At the beginning of your upkeep, you may put a charge counter on Aether Vial. {T}: You may put a creature card with mana value equal to the number ...

Put two +1/+1 counters on target creature and two +1/+1 counters on another target creature.

Destroy target artifact. It can't be regenerated.

Cast this spell only during the declare attackers step. Attacking creatures you control get +X/+0 until end of turn, where X is the number of attac...

{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...

This spell costs {1} more to cast for each target beyond the first. Fireball deals X damage divided evenly, rounded down, among any number of targets.

Destroy target artifact. If that artifact had counters on it, put that many +1/+1 counters or charge counters on an artifact you control.

Target opponent chooses an artifact card in their graveyard. Put that card onto the battlefield under your control.

Enchant creature Enchanted creature gets -1/-1. When enchanted creature dies, return Screams from Within from your graveyard to the battlefield.

{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.

Destroy target nonblack creature. It can't be regenerated. You gain control of all Equipment that were attached to it. (This effect lasts indefinit...

Choose one — • Look at the top five cards of target opponent's library, then put them back in any order. • Look at the top five cards of your lib...

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