Memnite

Crashing Drawbridge

Defender
{T}: Creatures you control gain haste until end of turn.

Arcum Dagsson

{T}: Target artifact creature's controller sacrifices it. That player may search their library for a noncreature artifact card, put it onto the battlefield, then shuffle.

Phyrexian Walker

Cathodion

Kappa Cannoneer

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Ward {4}
Whenever Kappa Cannoneer or another artifact you control enters, put a +1/+1 counter on Kappa Cannoneer and it can't be blocked this turn.

Silver Myr

Manakin

Myr Moonvessel

Corridor Monitor

When Corridor Monitor enters, untap target artifact or creature you control.

Ornithopter

God-Pharaoh's Statue

Spells your opponents cast cost {2} more to cast.
At the beginning of your end step, each opponent loses 1 life.

Paradox Engine

Whenever you cast a spell, untap all nonland permanents you control.

Ornithopter of Paradise

Myr Sire

When Myr Sire dies, create a 1/1 colorless Phyrexian Myr artifact creature token.

Grafdigger's Cage

Creature cards in graveyards and libraries can't enter the battlefield.
Players can't cast spells from graveyards or libraries.