Olrik, Dimir Illusionist

+3: Create two black/blue 2/2 Assassin Tokens named Olrik, Dimir Illusionist, with Hexproof and First Strike
-1: Give target creature +3/+4 and first strike and force them into combat with another creature
-10: Create 4 black/blue 5/5 Assassin Tokens named Olrik, Dimir Illusionist, with Hexproof and Indestructible