Jim, Spellbook Eater

: Whenever a creature card is exiled, you may remove a loyalty counter from Jim. If you do, create a 0/1 white Goat creature token with prowess.
+1: Flip three coins. For each flip you win, exile the top card of target player's library.
-X: Until your next turn, you may cast cards with converted mana cost X or less exiled with Jim, Spellbook Eater.