Ive got both of our decklists from the 2015 Grand Prix London for you today, each featuring a decent number of morph and manifest cards
Gemini Elf was the first monster with more than 1800 ATK that didn't require a tribute and didn't have a drawback effect, as she was a Normal Monster

Group A: 1st, machdragon Spellbook (Restart) Masked HERO (Restart) Masked HERO (Restart) Spellbook (Restart) Group A: 2nd, BKayed Source: Miguel Joker Duelinks Masked HERO (Restart) Sylvan (Grit) Group A: 3rd, Jason Source: Miguel Joker Duelinks Masked HERO (Grit) Sylvan (Grit) Group B: 1st, Striker Source: Striker Gamer Masked HERO (Restart) Group B: 2nd, zeeta Source: Amazoness (Restart) Spellbook (Restart) Group B: 3rd, nego do zap Source: Masked HERO (Restart) Spellbook (Restart) Stall (Extra, Extra) Group C: 1st, Whybona Source: Kaito Masked HERO (Restart) Masked HERO (Restart) Group C: 2nd, MiguelJoker Source: Miguel Joker Duelinks Masked HERO (Restart) Spellbook (Restart) Group C: 3rd, Koizumi Source: Masked HERO (Restart) Spellbook (Restart) Group D: 2nd, CwC/Tsun Source: @tun4dd Amazoness (Restart) Group D: 3rd, Source: @hamadaman321 Noble Knight (Balance) Geargia (Restart) Masked HERO (Grit) Stall (Extra, Extra) Group E: 1st, DeckMaker Source: DeckMaker() Masked HERO (Grit) Stall (Extra, Extra) Group F: 2nd, silentlofd Source: Spellbook (Restart) Amazoness (Restart) Masked HERO (Restart)

All monsters your opponent controls must attack, if able