Mirrodin Besieged

Equipped creature gets +1/+0 and has first strike. Equip {1}

Training Drone can't attack or block unless it's equipped.

{3}, {T}: Put a charge counter on Titan Forge. {T}, Remove three charge counters from Titan Forge: Create a 9/9 colorless Golem artifact creature t...

{2}{G}: Regenerate Tangle Hulk.

{R}: Target creature can't block Spin Engine this turn.

Sphere of the Suns enters the battlefield tapped and with three charge counters on it. {T}, Remove a charge counter from Sphere of the Suns: Add on...

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Germ creature token, then attach this to it.) Equipped creature gets ...

Shriekhorn enters the battlefield with three charge counters on it. {T}, Remove a charge counter from Shriekhorn: Target player puts the top two ca...

Metalcraft — Razorfield Rhino gets +2/+2 as long as you control three or more artifacts.

When Pierce Strider enters the battlefield, target opponent loses 3 life.

When Peace Strider enters the battlefield, you gain 3 life.

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Germ creature token, then attach this to it.) Equipped creature gets ...

Flying

{U}: Gust-Skimmer gains flying until end of turn.

Equipped creature gets +2/+2 and can't block. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {T}: Add {C}.

Whenever another nontoken artifact enters the battlefield under your control, you may pay {2}. If you do, create a token that's a copy of that arti...

{T}: Create a 1/1 colorless Myr artifact creature token. {T}, Tap five untapped Myr you control: Search your library for a Myr creature card, put i...

Equipped creature gets +2/+2 and has protection from black and from green. Whenever equipped creature deals combat damage to a player, that player ...

Trample, infect, indestructible If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it int...

Equipped creature gets +2/+2 and has protection from black and from green. Whenever equipped creature deals combat damage to a player, that player ...

Flying At the beginning of your upkeep, if you control no Thopters other than Thopter Assembly, return Thopter Assembly to its owner's hand and cr...

Imprint — {T}: Exile target artifact card from a graveyard. Myr Welder has all activated abilities of all cards exiled with it.