Legendary Creature — Goblin Sorcerer
Vivid — At the beginning of your first main phase, reveal cards from the top of your library until you reveal X nonland cards, where X is the number of colors among permanents you control. For each of those colors, you may exile a card of that color from among the revealed cards. Then shuffle. You may cast the exiled cards this turn.
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The value of X is calculated only once, as Sanar's ability resolves.
You pay all costs and follow all timing rules for cards cast this way. For example, if an exiled card is a sorcery card, you may cast it only during your main phase while the stack is empty.