Yeah, No, you missed that.

Cast this spell only if a player has missed a Rhystic Study, Mystic Remora, Smothering Tithe, or Esper Sentinel trigger, and is attempting to resolve it 1 or more game actions after the fact.
Target player must gather all cards they own. A player separates those cards into 4 facedown piles, then the owner chooses 1 of the piles, once they have done so, they must leave.