Open the Armory

Search your library for an Aura or Equipment card, reveal it, put it into your hand, then shuffle.

Sigarda's Aid

You may cast Aura and Equipment spells as though they had flash.
Whenever an Equipment enters the battlefield under your control, you may attach it to target creature you control.

Battlefield Forge

{T}: Add {C}.
{T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.

On Thin Ice

Enchant snow land you control
When On Thin Ice enters the battlefield, exile target creature an opponent controls until On Thin Ice leaves the battlefield.

Boros Swiftblade

Magnetic Theft

Attach target Equipment to target creature. (Control of the Equipment doesn't change.)

Basilisk Collar

Equipped creature has deathtouch and lifelink.
Equip {2}

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Kor Duelist

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

Snow-Covered Mountain

Flayer Husk

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)
Equipped creature gets +1/+1.
Equip {2}

Swiftblade Vindicator

Brave the Elements

Choose a color. White creatures you control gain protection from the chosen color until end of turn.

Kor Outfitter

When Kor Outfitter enters the battlefield, you may attach target Equipment you control to target creature you control.

Snow-Covered Plains

Swiftfoot Boots

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}

Colossus Hammer

Equipped creature gets +10/+10 and loses flying.
Equip {8} ({8}: Attach to target creature you control. Equip only as a sorcery.)