The Collector

-X: Hide and Seek - Scry X. Draw X-1 cards. Target opponent discards X-2 cards from their hand and mills X-3 cards.
-X: Tag - Destroy X target permanents. One of these permanents must be one you control. If an artifact was destroyed in this way, exile it instead.
-X: Owl House - Reveal cards off the top of your library until you reveal X creatures. Put those cards onto the battlefield. Exile the rest.