Mystical Tutor

Set
Classic Sixth Edition
Rarity
Uncommon
Text
Search your library for an instant or sorcery card and reveal that card. Shuffle your library, then put the card on top of it.
Legality
Legal in: Commander
Banned in: Duel, Legacy
Restricted in: Vintage
Rulings
2016-06-08: The “shuffle and put the card on top” is a single action. If an effect causes the top card of the library to be face up, the second card down is not revealed.