The Phantom Knights have been a very powerful archetype since their introduction to the game, primarily Level 3 Dark Warriors, these cards combo really well with the Burning Abyss archetype, Level 3 Dark Fiends, as a great Rank 3 strategy.
For the decklist, we have a PK package of 2x Greaves, 2x Gloves, 2x Cloak, 2x Scales, 3x Boots, 2x Wing, 2x Brigandine, 2x Fog Blade, 1x Raider's Knight(and 1x Arc Rebellion), 2x Break Sword, and 2x Rusty Bardiche, we have a BA package of 2x Cir, 1x Alich, 1x Farfa, 2x Graff, 2x Scarm, 1x Beatrice, 1x Dante, and 1x Cherubini, for the rest of the Main Deck, we have a Handtrap lineup of 3x Ash Blossom, D.D. Crow, and 2x Veiler, 3x Rhino Warrior, 3x Tour Guide, 1x RotA, and 1x Called By, for the rest of the Extra Deck, we have 1x Zeus, 1x Leviair, 1x Gossip Shadow, 1x Underworld Goddess, 1x Accescode, and 1x Knightmare Unicorn.