Not only have we had Magic products specifically designed for us for over a decade, but Wizards of the Coast (WotC) now has a designated Casual Play Design team led by Melissa DeTora
The stack resolves from the top down
Casting a legendary spell from your hand lets you exile cards from the top of your deck until you find another legendary nonland card that costs less than your initial spell
Here's a list, pulled directly using EDHREC's Average Deck feature: Rafiq of the Many View on Archidekt Commander (2) 1 Rafiq of the ManayRafiq of the Manay 1 Rafiq of the ManyRafiq of the Many Creatures (46) 1 Bastion ProtectorBastion Protector 1 Battlegrace AngelBattlegrace Angel 1 Birds of ParadiseBirds of Paradise 1 Cold-Eyed SelkieCold-Eyed Selkie 1 Eternal WitnessEternal Witness 1 Ethercaste KnightEthercaste Knight 1 Giltspire AvengerGiltspire Avenger 1 Grand AbolisherGrand Abolisher 1 Knight of GloryKnight of Glory 1 Mother of RunesMother of Runes 1 Noble HierarchNoble Hierarch 1 Qasali PridemageQasali Pridemage 1 Sigarda, Host of HeronsSigarda, Host of Herons 1 Sigiled PaladinSigiled Paladin 1 Silent ArbiterSilent Arbiter 1 Sovereigns of Lost AlaraSovereigns of Lost Alara 1 Sram, Senior EdificerSram, Senior Edificer 1 Stoic AngelStoic Angel 1 Stoneforge MysticStoneforge Mystic 1 Sublime ArchangelSublime Archangel 1 Sun TitanSun Titan 1 Thassa, God of the SeaThassa, God of the Sea 1 Trygon PredatorTrygon Predator 1 Bastion ProtectorBastion Protector 1 Birds of ParadiseBirds of Paradise 1 Eternal WitnessEternal Witness 1 Grand AbolisherGrand Abolisher 1 Mother of RunesMother of Runes 1 Noble HierarchNoble Hierarch 1 Qasali PridemageQasali Pridemage 1 Sigarda, Host of HeronsSigarda, Host of Herons 1 Sovereigns of Lost AlaraSovereigns of Lost Alara 1 Sram, Senior EdificerSram, Senior Edificer 1 Stoneforge MysticStoneforge Mystic 1 Sublime ArchangelSublime Archangel 1 Sun TitanSun Titan 1 Thassa, God of the SeaThassa, God of the Sea 1 Bloom TenderBloom Tender 1 Avacyn's PilgrimAvacyn's Pilgrim 1 Bruna, Light of AlabasterBruna, Light of Alabaster 1 Medomai the AgelessMedomai the Ageless 1 Sylvan CaryatidSylvan Caryatid 1 Knight of New AlaraKnight of New Alara 1 Dauntless EscortDauntless Escort 1 Verduran EnchantressVerduran Enchantress 1 Argothian EnchantressArgothian Enchantress Instants (16) 1 Bant CharmBant Charm 1 CounterspellCounterspell 1 Cyclonic RiftCyclonic Rift 1 DisallowDisallow 1 Enlightened TutorEnlightened Tutor 1 Krosan GripKrosan Grip 1 Path to ExilePath to Exile 1 Swords to PlowsharesSwords to Plowshares 1 Sylvan ReclamationSylvan Reclamation 1 CounterspellCounterspell 1 Cyclonic RiftCyclonic Rift 1 NegateNegate 1 Enlightened TutorEnlightened Tutor 1 Krosan GripKrosan Grip 1 Path to ExilePath to Exile 1 Swords to PlowsharesSwords to Plowshares Sorceries (11) 1 CultivateCultivate 1 Kodama's ReachKodama's Reach 1 Open the ArmoryOpen the Armory 1 Supreme VerdictSupreme Verdict 1 WargateWargate 1 Wrath of GodWrath of God 1 CultivateCultivate 1 Kodama's ReachKodama's Reach 1 Open the ArmoryOpen the Armory 1 Supreme VerdictSupreme Verdict 1 Wrath of GodWrath of God Artifacts (20) 1 Chromatic LanternChromatic Lantern 1 Conqueror's FlailConqueror's Flail 1 Lightning GreavesLightning Greaves 1 Selesnya SignetSelesnya Signet 1 Simic SignetSimic Signet 1 Sol RingSol Ring 1 Swiftfoot BootsSwiftfoot Boots 1 Sword of Feast and FamineSword of Feast and Famine 1 Sword of Fire and IceSword of Fire and Ice 1 Whispersilk CloakWhispersilk Cloak 1 Conqueror's FlailConqueror's Flail 1 Lightning GreavesLightning Greaves 1 Selesnya SignetSelesnya Signet 1 Simic SignetSimic Signet 1 Sol RingSol Ring 1 Swiftfoot BootsSwiftfoot Boots 1 Sword of Feast and FamineSword of Feast and Famine 1 Sword of Fire and IceSword of Fire and Ice 1 Darksteel PlateDarksteel Plate 1 Whispersilk CloakWhispersilk Cloak Enchantments (27) 1 Angelic BenedictionAngelic Benediction 1 Ardent PleaArdent Plea 1 Armadillo CloakArmadillo Cloak 1 Eldrazi ConscriptionEldrazi Conscription 1 Finest HourFinest Hour 1 Mirari's WakeMirari's Wake 1 Oblivion RingOblivion Ring 1 RancorRancor 1 Rhystic StudyRhystic Study 1 Shield of the OversoulShield of the Oversoul 1 Sigarda's AidSigarda's Aid 1 Steel of the GodheadSteel of the Godhead 1 Armadillo CloakArmadillo Cloak 1 Eldrazi ConscriptionEldrazi Conscription 1 Finest HourFinest Hour 1 Mirari's WakeMirari's Wake 1 RancorRancor 1 Shield of the OversoulShield of the Oversoul 1 Sigarda's AidSigarda's Aid 1 Steel of the GodheadSteel of the Godhead 1 Ancestral MaskAncestral Mask 1 Angelic DestinyAngelic Destiny 1 Ethereal ArmorEthereal Armor 1 Bear UmbraBear Umbra 1 AsceticismAsceticism 1 Sylvan LibrarySylvan Library 1 Spectra WardSpectra Ward Planeswalkers (2) 1 Tamiyo, Field ResearcherTamiyo, Field Researcher 1 Tamiyo, Field ResearcherTamiyo, Field Researcher Lands (259) 1 Botanical SanctumBotanical Sanctum 1 Breeding PoolBreeding Pool 1 Canopy VistaCanopy Vista 1 Cathedral of WarCathedral of War 1 Command TowerCommand Tower 1 Evolving WildsEvolving Wilds 1 Flooded StrandFlooded Strand 1 Glacial FortressGlacial Fortress 1 Hallowed FountainHallowed Fountain 1 Hinterland HarborHinterland Harbor 1 Prairie StreamPrairie Stream 1 Rogue's PassageRogue's Passage 1 Seaside CitadelSeaside Citadel 1 Selesnya SanctuarySelesnya Sanctuary 1 Sunpetal GroveSunpetal Grove 1 Temple GardenTemple Garden 1 Temple of EnlightenmentTemple of Enlightenment 1 Temple of MysteryTemple of Mystery 1 Temple of PlentyTemple of Plenty 1 Terramorphic ExpanseTerramorphic Expanse 1 Windswept HeathWindswept Heath 8 PlainsPlains 5 IslandIsland 4 ForestForest 1 Again, this deck is good and does some powerful things, but I believe it plays a longer game than Rafiq wants
