You just fail to find a card, randomize the exiled cards back into your library, and continue the game as normal
A: Several format-warping archetypes had their support cards restricted
Then the player who rolled the planeswalker symbol turns the top card of his or her planar deck face up
However, youll still get any effects from that creature entering or leaving the battlefield and, if you have the option, you can always just cast the creature normally
Dimir Midrange Requiting Hex | Illustration by Randy Gallegos Planeswalkers (4) Creatures (23) Cecil, Dark Knight // Cecil, Redeemed Paladin x2 Deep-Cavern Bat x4 Enduring Curiosity x4 Floodpits Drowner x4 Spyglass Siren x4 Tishana's Tidebinder x4 Wan Shi Tong, Librarian Instant (8) Bitter Triumph x2 Requiting Hex x3 Shoot the Sheriff x2 Spell Snare Land (25) Fountainport x2 Gloomlake Verge x4 Island x4 Multiversal Passage x3 Restless Reef Soulstone Sanctuary Starting Town x2 Swamp x4 Watery Grave x4 Sideboard (15) Annul x2 Day of Black Sun Disdainful Stroke x2 Duress x2 Faebloom Trick Requiting Hex Shoot the Sheriff Soul-Guide Lantern Spell Pierce x2 Strategic Betrayal Wan Shi Tong, Librarian Dimir Midrange was already a good competitive deck, and the 2026 bannings made it a solid Tier 1 option