Sanar, Unfinished Genius

Legendary Creature — Goblin Sorcerer

Sanar enters prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)
{T}: Create a Treasure token. Activate only if you've cast an instant or sorcery spell this turn.
0/4

Sorcery

Search your library for an instant or sorcery card, reveal it, put it into your hand, then shuffle.