mtg red storm cards Entity Multikicker 1 (You may pay an additional 1 any number of times as you cast this spell.) Choose target creature or player All 34 Storm Cards in

And of course, this new type of double-faced card might appear in future sets with nonland card types on the back

Such triggered abilities start with "when" or "whenever." (6/16/2023) Replacement effects are unaffected by Gandalf the White's ability

Atomic Microsizer Beamtown Beatstick Bilbo's Ring Blazing Torch Brotherhood Regalia Chitinous Cloak Cryptic Coat Daredevil's Billy Club Draugr's Helm Dredging Claw Executioner's Hood Experimental Armor Gimli's Axe Glaive of the Guildpact HYDRA Disintegrator Hedgewitch's Mask Hot Soup Mask of Riddles Mechanical Glider Nim Deathmantle Nuka-Nuke Launcher Phantom Blade Prowler's Helm Psychic Paper Rope Saddle of the Cavalier Scrounged Scythe Silver Shroud Costume Skeleton Key Skyblinder Staff Thieves' Tools Trailblazer's Boots Vectis Gloves Vorrac Battlehorns Whispersilk Cloak Wings of Hubris Wolfrider's Saddle Wrecking Ball Arm

If we want a catch-all removal spell, we would look to play the slow, but effective [card]Utter End[/card]