Kunder Thunt's Immortal Blade

Whenever equipped creature deals combat damage to another creature, that creature is exiled.
If Kunder Thunt's Immortal Blade would
be put into a graveyard from anywhere,
return all creatures to the battlefield exiled
with Kunder Thunt's Immortal Blade.
Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)