Riku of Many Paths (227) [Outlaws of Thunder Junction Promos]

Whenever you cast a modal spell, choose up to X, where X is the number of times you chose a mode for that spell — • Exile the top card of your library. Until the end of your next turn, you may play it. • Put a +1/+1 counter on Riku. It gains trample until end of turn. • Create a 1/1 blue Bird creature token with flying.