Mind Master, Mystero

+1: Create a 1/1 blue Illusion creature token with Flying and "When this creature becomes the target of a spell, sacrifice it."
-4: Create an Emblem with "Illusion creatures you control gain Hexproof during your opponents turn."
-7: Create a 7/7 blue Illusion creature token with Unblockable and "When this creature becomes the target of a spell, sacrifice it."