Riku of Two Reflections
Legendary Creature — Human Wizard, {2}{G}{U}{R}
Oracle Text
Whenever you cast an instant or sorcery spell, you may pay {U}{R}. If you do, copy that spell. You may choose new targets for the copy.
Whenever another nontoken creature you control enters, you may pay {G}{U}. If you do, create a token that's a copy of that creature.