Gwen, Rune Theif

+1: Scry 1, then draw a card. If the card you drew was not the one you scryed, put another loyalty counter on Gwen.
-2: Target creature has base power 0 until end of turn and is an illusion in addition to its other types. That creature can't block.
-4: Create a 0/4 blue illusion creature token with "If damage would be dealt to a creature, prevent that damage and put a -0/-1 counter on illusion.