Scars of Mirrodin

Artifact creatures you control get +2/+2.

Choose two target creatures. Tap those creatures, then unattach all Equipment from them.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) When Ichor Rats enter...

{B}, Sacrifice a creature: Regenerate Corrupted Harvester.

Flying Metalcraft — When Lumengrid Drake enters the battlefield, if you control three or more artifacts, return target creature to its owner's hand.

Counter target artifact spell. Draw a card.

Metalcraft — Auriok Edgewright has double strike as long as you control three or more artifacts.

You gain 5 life.

{1}{R}, Sacrifice Vulshok Replica: It deals 3 damage to target player or planeswalker.

{B}: Vector Asp gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison co...

Equipped creature gets +1/+0. Whenever equipped creature dies, you gain 3 life. Equip {1}

{R}: Saberclaw Golem gains first strike until end of turn.

Metalcraft — Rusted Relic is a 5/5 Golem artifact creature as long as you control three or more artifacts.

{1}{U}, Sacrifice Neurok Replica: Return target creature to its owner's hand.

Imprint — Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's gravey...

Equipped creature gets +2/+2 and has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison count...

Target creature gets +X/+X until end of turn.

Reach (This creature can block creatures with flying.) Whenever Ezuri's Archers blocks a creature with flying, Ezuri's Archers gets +3/+0 until en...

{1}{R}{R}: Spikeshot Elder deals damage equal to its power to any target.

Target player discards a card. If a land card is discarded this way, return Psychic Miasma to its owner's hand.

Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Whenever you cast an artifact spell, you may have target creature get +2/+0 and gain deathtouch until end of turn.

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

As long as Necrotic Ooze is on the battlefield, it has all activated abilities of all creature cards in all graveyards.