Egg of Bolas

+2: Put a 2/2 blue, red, and black dragon creature token into play with flying
+1: Put a 4/4 blue, red, and black dragon creature token into play with flying and lifelink.
-9: Put a 7/7 all-colored dragon creature token into play with flying, lifelink, and,"When this creature attacks, target player discards their hand."