Darksteel

Target creature gets +1/+0 until end of turn for each artifact you control.

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

Essence Drain deals 3 damage to any target and you gain 3 life.

Prevent all damage target spell would deal this turn. You gain life equal to the damage prevented this way.

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

Target player loses 1 life for each tapped artifact they control.

Counter target spell. That spell's controller may draw a card.

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

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

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

Artifact creatures you control gain flying until end of turn.

Look at the top X cards of your library, where X is the number of artifacts you control. Put one of those cards into your hand and the rest on the ...

Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.

Destroy target enchantment and all other enchantments with the same name as that enchantment.

Indestructible {T}: Add {C}.

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.) Equip {2}

Equipped creature gets +2/+2. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add {C}{C}.

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

Affinity for Islands (This spell costs {1} less to cast for each Island you control.) Flying

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

When Myr Moonvessel dies, add {C}.

{T}: Target land becomes an artifact in addition to its other types until end of turn.