Pariah's Shield

All damage that would be dealt to you is dealt to equipped creature instead.
Equip {3}

Kitesail Apprentice

As long as this creature is equipped, it gets +1/+1 and has flying.

Plains

Argentum Armor

Equipped creature gets +6/+6.
Whenever equipped creature attacks, destroy target permanent.
Equip {6}

Brass Squire

{T}: Attach target Equipment you control to target creature you control.

Prairie Stream

({T}: Add {W} or {U}.)
This land enters tapped unless you control two or more basic lands.

Mirran Spy

Flying
Whenever you cast an artifact spell, you may untap target creature.

Fireshrieker

Equipped creature has double strike. (It deals both first-strike and regular combat damage.)
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Darksteel Plate

Indestructible
Equipped creature has indestructible.
Equip {2}

Auriok Glaivemaster

As long as this creature is equipped, it gets +1/+1 and has first strike.

Sword of Vengeance

Equipped creature gets +2/+0 and has first strike, vigilance, trample, and haste.
Equip {3}

Sram, Senior Edificer

Whenever you cast an Aura, Equipment, or Vehicle spell, draw a card.

Sejiri Refuge

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {W} or {U}.

Myr Adapter

This creature gets +1/+1 for each Equipment attached to it.

Swiftfoot Boots

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.)
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Leonin Den-Guard

As long as this creature is equipped, it gets +1/+1 and has vigilance.

Auriok Steelshaper

Equip costs you pay cost {1} less.
As long as this creature is equipped, each creature you control that's a Soldier or a Knight gets +1/+1.

Danitha Capashen, Paragon

First strike, vigilance, lifelink
Aura and Equipment spells you cast cost {1} less to cast.