The format-warping one-drop is the undisputed best red card in Modern, maybe even the best red card in the game
Bag of Holding is particularly effective here: every card you discard gets exiled and grows Laelia, all while building you a fresh new hand for when you need it
Silk touch cardstock is highly preferred for deluxe tarot decks, collectors items, and premium game cards
50 damage is usually enough to do the job, but its not automatic
Notably, removal spells on Thassas Oracle wouldn't stop it, as the trigger is independent of the creature and would still win the game
Chandra's Ignition I gotta admit, Chandra's Ignition is a red sorcery that I dont see being played very often, and while it can have some narrow applications, there are better removal spells in red