What the best Sephiroth deck is remains unclear
Trainers Juggler Horton: Electrode (33), Electrode (33), Electrode (33), Electrode (33) Guitarist Vincent: Magnemite (27), Magnemite (32), Magnemite (32), Voltorb (33) Gentleman Gregory: Pikachu (37), Flaaffy (33) Leader Lt

(auras, buffs, mutate): Spellwild Ouphe, Elderwood Scion First Kicked: Vine Gecko Historic: Ballad of the Black Flag Not your turn: Geyser Drake Aura and Equipment: Golden-Tail Trainer Next Spell (honorable mention?): Hardened Berserker, Saheeli, the Gifted Pay counters instead: Mutated Cultist Dragons: Nogi, Draco-Zealot Alchemy, Dinosaurs: Scalespeaker Shepherd (Not sure why is isn't linking, but I promise it exists) Alchemy, from graveyard: Shellfish Scholar Instants and Sorceries MV5+: Spectacle Mage Prepared: Uvilda, Dean of Perfection Flip Undaunted keyword: Durnan of the Yawning Portal First instant/sorcery, conditional: Eluge, the Shoreless Sea, God-Eternal Kefnet Alchemy, Goblin: Goblin Influx Array Next instant/sorcery (honorable mention?): Maelstrom Muse Face-down: Panoptic Projektor Doctors: The Eleventh Hour Cards from exile: Commander Liara Portyr Next instant/sorcery, conditional: Elminster Spells you don't own: Gonti, Canny Acquisitor plakjekaas on What is the Difference Between 2 years ago If something is not a trigger, like an activated ability (boast on Axgard Braggart) or an alternate way of casting a spell (like with As Foretold), then it would not make sense to say it triggers once per turn

I wouldnt play Fledgling Dragon in a deck that doesnt do anything to help it, but with enough spells, fetch lands, and the like, Im sure you could make it work
But your cards will eventually curl even with double sleeving
The four main criteria are centering, corners, edges, and surface