Mysterio, Illusionist

When Mysterio, Illusionist enters or leaves the
battlefield, create a 0/1 blue Illusion creature
token.
{1}{u}: Each Illusion you control becomes a copy
of target creature until end of turn, except it's a
blue Illusion in addition to its other colors and
types and has base power and toughness 0/1.
"I control the truth... Mysterio is the truth!"