+Avacyn's, +Collar (2)
Equipped creature gets +1/+0 and has vigilance.
Whenever equipped creature dies, if it was a Human, create a 1/1 white Spirit creature token with flying.
Equip
Equipped creature can't attack, block, or transform, and its activated abilities can't be activated.
Shackle (: Attach to target creature you don't control. Shackle only as a sorcery.)
Gatherer works better in the Companion app!