When Molten Man leaves the battlefield, sacrifice a land
Sickening Dreams deals X damage to each creature and each player
Those get reported and taken down eventually because it's easy to tell, but for rarer cards, how do you 'prove'
For the purposes of format legality, deck construction, game rules, and effects, these cards have only the card name specified in the secondary title bar, says WotC's official Final Fantasy Release Notes

Extus Wishboard Skeleton View on Archidekt Commander (1) 1 Extus, Oriq Overlord // Awaken the Blood AvatarExtus, Oriq Overlord // Awaken the Blood Avatar Wishes (17) 1 Academic DisputeAcademic Dispute 1 Death WishDeath Wish 1 Enthusiastic StudyEnthusiastic Study 1 EyetwitchEyetwitch 1 First Day of ClassFirst Day of Class 1 Golden WishGolden Wish 1 Guiding VoiceGuiding Voice 1 Hunt for SpecimensHunt for Specimens 1 Igneous InspirationIgneous Inspiration 1 Mastermind's AcquisitionMastermind's Acquisition 1 Poet's QuillPoet's Quill 1 Professor of SymbologyProfessor of Symbology 1 Retriever PhoenixRetriever Phoenix 1 Rise of ExtusRise of Extus 1 Sparring RegimenSparring Regimen 1 Study BreakStudy Break 1 WishWish In-Deck Lessons (6) 1 Aang's JourneyAang's Journey 1 Azula Always LiesAzula Always Lies 1 Combustion TechniqueCombustion Technique 1 EnergybendingEnergybending 1 Mascot ExhibitionMascot Exhibition 1 Solstice RevelationsSolstice Revelations Sideboard (12) 1 Airbender's ReversalAirbender's Reversal 1 Airbending LessonAirbending Lesson 1 Confront the PastConfront the Past 1 Enter the Avatar StateEnter the Avatar State 1 Illuminate HistoryIlluminate History 1 Introduction to AnnihilationIntroduction to Annihilation 1 Iroh's DemonstrationIroh's Demonstration 1 Overwhelming VictoryOverwhelming Victory 1 Price of FreedomPrice of Freedom 1 Reckless BlazeReckless Blaze 1 Redirect LightningRedirect Lightning 1 Zuko's ExileZuko's Exile The Strixhaven learn effects are more based in Mardu than any other color combination, with the major issue being that the Lessons in Avatar aren't
