This keyword action is written Fateseal X. To fateseal, a player looks at the top X cards of an opponent's library, and may put any number of those cards on the bottom of that player's library. Thus, this ability is functionally a scry on the opponent's library; fateseal was dubbed "evil scry" while in design. Fateseal exclusively appears on timeshifted cards from Future Sight. *Wikipedia
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This keyword action is written Fateseal X. To fateseal, a player looks at the top X cards of an opponent's library, and may put any number of those cards on the bottom of that player's library. Thus, this ability is functionally a scry on the opponent's library; fateseal was dubbed "evil scry" while in design. Fateseal exclusively appears on timeshifted cards from Future Sight.
*Wikipedia