Aatrox, World Ender

Deathtouch, lifelink, trample, flying, first strike.
Creatures and equipment you own or control
are Darkin. Darkin equipment have flash, and
you may attach it to target Darkin without
paying any equip cost.
When Aatrox, World Ender enters the
battlefield, return all Darkin in any graveyard
to play under your control.