Figment Gemhair

Unblockable
Whenever Figment Gemhiar is the target of a spell or ability, Figment Gemhair gets +0/+3 until end of turn.
Whenever a creature attacks you or a creature you control, you may pay {x}. If you do, create a creature token copy of an attacking creature that is an Illusion in addition to its other types, and has "At the end of the turn, exile this token. If this creature is the target of a spell or ability, exile it." This ability