A prerelease event calls for 40-card decks at minimum, and is my recommendation to stick to that minimum
On modern MtG cards, there are two different methods that can be used to distinguish a cards rarity with ease
Etchings of the Chosen takes advantage of the fact that the tokens created by Alela, Artful Provocateur are Faeries and we also have a Faerie Subtheme in our Flying tribal, so that we can expect to have numerous Faerie tokens
As luck would have it, you can often catch stranded removal in a long game just before you cast a threat, meaning it is less dead on Turn 8 than you would assume
Whether you're a lifelong collector hunting for a rare promo, a parent buying a gift for a Pokmon-obsessed child, or someone who just wants to understand which Pikachu cards are worth something, this guide has you covered

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