This is called fizzling . Smart opponents will try to make your targets illegal before your triggers resolve

Acorn Catapult Alliance of Arms Arcane Artisan Ashling's Command Atlantis Attacks Bloodvial Purveyor Brigid's Command Casey & Raph, Hotheads Caught in a Parallel Universe Combat Calligrapher Cybernetica Datasmith Dark Salvation Death by Dragons Descent into Avernus Dovescape Echocasting Symposium Edge Rover Elephant Resurgence Elephant-Mandrill Emeritus of Truce Goblin Spymaster Gonti, Night Minister Gravedig Greener Pastures Grismold, the Dreadsower Haunted Angel Hold the Perimeter HumanTime Lord Meta-Crisis Inscription of Insight Jolene, the Plunder Queen Kamahl's Summons Kibo, Uktabi Prince Kozilek's Command Liege of the Hollows Marching Duodrone Mogg Infestation Nantuko Shrine Nettling Nuisance Oversimplify Party Dude Plague of Vermin Prismari Command Pure Reflection Rankle and Torbran Relic Robber Rendmaw, Creaking Nest Rite of the Raging Storm Rootcast Apprenticeship Sarkhan the Mad Shadrix Silverquill Splinter & Leo, Father & Son The Dining Car The Pit The War Games Tombstone Stairwell Varchild, Betrayer of Kjeldor Verdant Command Waiting in the Weeds Warren Weirding Water Gun Balloon Game

Legendary Planeswalker - Teferi Color tag templates(None) Teferi's Ageless Insight If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead
You can't take these cards too early however
The seven card pack will be available in foiled and non-foiled versions for a limited time