Riku, Master of Replication

Whenever you copy a creature, instant, or sorcery spell, you may draw a card.
At the beginning of your upkeep, reveal the top
card of your library. If it's a creature, instant, or sorcery card, you may copy it and cast the copy without paying it's mana cost.
{2}{g}{u}{r}, {t}: Put target creature, instant, or
sorcery card from your graveyard on top of your
library.