Aatrox, the Darkin Blade

Lifelink, Fear
Whenever Aatrox, the Darkin Blade gets a +1/+1 counter, you lose 1 life.
Whenever a creature dies, you may put a +1/+1 counter on Aatrox, the Darkin Blade.
Whenever Aatrox, the Darkin Blade is put in any graveyard, exile it, then cast it from exile without paying its mana cost with Suspend 4.