
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.
Riku of Two Reflections has 5 printings, first in Commander 2011 (2011). EDHREC ranks it #12,500 among Commander cards. It appears most in Riku of Many Paths decks (400 on EDHREC). 1 public deck on TCG runs it. It has 10 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.