Armament Master

Other Kor creatures you control get +2/+2 for each Equipment attached to Armament Master.

Sword of Vengeance

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

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

Equipped creature gets +3/+0 and has trample and lifelink.
Equip {3}

As long as Kitesail Apprentice is equipped, it gets +1/+1 and has flying.

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

Equipped creature gets +1/+0.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

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

Equipped creatures you control get +1/+1.
Whenever an equipped creature you control dies, draw a card.

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

Equipped creature gets +1/+0.
Equip {0} ({0}: Attach to target creature you control. Equip only as a sorcery.)