Before we can really get into whether its okay to call anything the Modern Reserved List, well need to take a look at what makes Reserved List cards valuable in the first place
A 4-mana deal 4 sorcery isnt premium removal, and I dont think adding a Young Hero Role token to the mix gets this there
When a card with it is in your graveyard, you may cast that spell by paying its mana cost and discarding a card from your hand as an additional cost
Tutors: Transmute Artifact, Gamble, Mystical Tutor, Personal Tutor Ramp: Mana Crypt, Solemn Simulacrum, Thran Dynamo, Gilded Lotus, Mana Vault, Grim Monolith, Basalt Monolith, Voltaic Key, Coalition Relic Disruption: Force of Will, Mana Drain, Counterflux, Vandalblast, Blasphemous Act, Pongify, Rapid Hybridization, Cyclonic Rift Draw: Rhystic Study, Recurring Insight, Consecrated Sphinx Utility: Lightning Greaves, Ral Zarek, Time Stretch, Dack Fayden, Sensei's Divining Top Lands: Academy Ruins, Strip Mine, [Reliquary Tower]], Command Tower, Sulfur Falls, Steam Vents, Shivan Reef, Desolate Lighthouse, Cascade Bluffs, Scalding Tarn, Volcanic Island, Minamo, School at Water's Edge, Ancient Tomb, Myriad Landscape If you're mad enough to fully bling out a Coin Flip deck, then here's a list for you to ponder: Next One's A Secret

Set of 1st Edition Pokmon, graded PSA 10, sells for record $911k A complete set of 1st Edition Pokmon, featuring all cards graded PSA 10, has sold for an all-time record $911,629.69 via Rally, a platform for buying and selling equity shares in collectible assets
There Once Was a Man I tend to tell stories about sets as if they live in a vacuum