Chaol, Fallen Captain

When Chaol enters the battlefield, create 3 2/1 white rebel creature tokens with skulk.
Lifelink, skulk,When Chaol dies,if you control an Aelin card,return Chaol to the battlefield under your control.When Chaol dies, if you don't, exile him with five time counters on him.At the beginning of your upkeep, remove a time counter from Chaol. When there are no more time counters on Chaol, you may cast him without paying his mana cost. If you do, you may search your library for an Aelin card and put it into you