Battlefield Improvisation

Target creature gets +2/+2 until end of turn. If that creature is attacking, you may attach any number of Equipment you control to it.

Bone Saw

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

Kor Duelist

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

Plains

Kor Outfitter

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

Stone Haven Outfitter

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

Kitesail Apprentice

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

Cliffhaven Kitesail

When Cliffhaven Kitesail enters, attach it to target creature you control.
Equipped creature has flying.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Ardenn, Intrepid Archaeologist

At the beginning of combat on your turn, you may attach any number of Auras and Equipment you control to target permanent or player.
Partner (You can have two commanders if both have partner.)

Kor Halberd

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

Armament Master

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