Darksteel

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

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

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.

Flash (You may cast this spell any time you could cast an instant.) Reach (This creature can block creatures with flying.)

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.

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 ...

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...

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...

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 co...

Modular 3 (This creature enters the battlefield with three +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact cr...

Flying As long as Pristine Angel is untapped, it has protection from artifacts and from all colors. Whenever you cast a spell, you may untap Pristi...

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

Whenever Tel-Jilad Wolf becomes blocked by an artifact creature, Tel-Jilad Wolf gets +3/+3 until end of turn.

Protection from artifacts

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

Flash (You may cast this spell any time you could cast an instant.) Reach (This creature can block creatures with flying.)

Whenever Roaring Slagwurm attacks, tap all artifacts.

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 cr...

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

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