50 cards where the card is tagged “timing-restriction”

Aleatory (Mirage #155)
Angelic Favor (Nemesis #1)
Assassin's Blade (Portal #80)
Blaze of Glory (Masters Edition IV #7)
Blood Frenzy (Tempest #164)
Camouflage (Unlimited Edition #188)
Cauldron Dance (Commander 2017 #166)
Champion's Victory (Portal Three Kingdoms #39)
Chaotic Strike (Invasion #140)
Choking Vines (Weatherlight #123)
Command of Unsummoning (Portal #48)
Curtain of Light (Saviors of Kamigawa #6)
Dazzling Beauty (Mirage #8)
Deep Wood (Portal Second Age #126)
Defiant Stand (Portal #12)
Disharmony (Masters Edition III #95)
Eightfold Maze (Masters Edition III #9)
False Orders (Unlimited Edition #148)
Festival (The Dark #8)
Flash Foliage (Dissension #85)
Fog Patch (Nemesis #104)
Glyph of Reincarnation (Legends #189)
Gorilla War Cry (Masters Edition IV #124)
Harsh Justice (Masters Edition IV #13)
Heavy Fog (Masters Edition III #122)
Illusionist's Gambit (Commander 2013 #47)
Jabari's Influence (Mirage #24)
Jace Reawakened (Outlaws of Thunder Junction #271)
Just Fate (Masters Edition IV #16)
Lure of Prey (Mirage #227)
Mandate of Peace (Commander 2019 #4)
Melee (Ice Age #200)
Mirror Match (Commander 2015 #13)
Panic (Masters Edition II #145)
Rally the Troops (Portal Three Kingdoms #16)
Remove (Portal Second Age #43)
Savage Beating (Commander Masters #252)
Scorching Winds (Portal #149)
Seedtime (Judgment #130)
Serra Avenger (Time Spiral Remastered #41)
Spinal Embrace (Dominaria Remastered #201)
Surprise Deployment (Planeshift #18)
Take the Bait (Murders at Karlov Manor Commander #43)
Talara's Battalion (Duel Decks: Elves vs. Inventors #24)
Tears of Rage (Darksteel #70)
Teleport (Chronicles #26)
Treetop Defense (Portal #190)
Wake the Dead (Commander Masters #197)
Warrior's Stand (Portal Three Kingdoms #31)
Winter's Chill (Ice Age #107)

The message was clear to Sorin—time to search for something else.