MTG

Dimir Aqueduct enters the battlefield tapped. When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand. {T}: Add...

{T}: Add {C}. {1}: Blinkmoth Nexus becomes a 1/1 Blinkmoth artifact creature with flying until end of turn. It's still a land. {1}, {T}: Target B...

Azorius Chancery enters the battlefield tapped. When Azorius Chancery enters the battlefield, return a land you control to its owner's hand. {T}:...

When Precursor Golem enters the battlefield, create two 3/3 colorless Golem artifact creature tokens. Whenever a player casts an instant or sorcery...

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

Metalcraft — {T}: Add one mana of any color. Activate only if you control three or more artifacts.

Arcane spells you cast cost {1} less to cast. Spirit creatures you control get +1/+1.

Trample Tap an untapped artifact you control: Lodestone Myr gets +1/+1 until end of turn.

As long as Kor Duelist is equipped, it has double strike. (It deals both first-strike and regular combat damage.)

Nonartifact spells cost {1} more to cast.

When Oblivion Ring enters the battlefield, exile another target nonland permanent. When Oblivion Ring leaves the battlefield, return the exiled ca...

Metalcraft — Etched Champion has protection from all colors as long as you control three or more artifacts.

{T}, Sacrifice a creature: Put a charge counter on Culling Dais. {1}, Sacrifice Culling Dais: Draw a card for each charge counter on Culling Dais.

Equipped creature gets +1/+0 for each artifact you control. {B}{B}: Attach Cranial Plating to target creature you control. Equip {1}

Chimeric Mass enters the battlefield with X charge counters on it. {1}: Until end of turn, Chimeric Mass becomes a Construct artifact creature wit...

When Cathodion dies, add {C}{C}{C}.

Other green creatures you control get +1/+1. Other white creatures you control get +1/+1. If a spell or ability an opponent controls causes you to ...

Flying As Iona, Shield of Emeria enters the battlefield, choose a color. Your opponents can't cast spells of the chosen color.

{W/B}{W/B}{W/B}: Restless Apparition gets +3/+3 until end of turn. Persist (When this creature dies, if it had no -1/-1 counters on it, return it ...

Flying Attacking creatures you control get +2/+0.

Double strike

Sacrifice Fulminator Mage: Destroy target nonbasic land.

Other black creatures you control get +1/+1. Other green creatures you control get +1/+1. At the beginning of your upkeep, you may create a 1/1 bla...

Flying Metalcraft — Artifacts you control have shroud as long as you control three or more artifacts. (An artifact with shroud can't be the target...