Hagas, Bonelord of Morgas

First Strike, Skulk, Delve (Each card you exile while paying for the cost of this spell pays for {1})

Hagas, Bonelord of Morgas gets +1/+1 for each card exiled with it.

You may cast spells exiled with Hagas, Bonelord of Morgas by paying 3 life and {2} in addition to the spell's original mana cost. (The {2} is paid separately in addition to the original mana cost for the purposes of {x} spells.)