Its been more common for WotC to create new subtypes than main types
Ajani's Pridemate Ajani's Response Ajani's Sunstriker Behemoth Sledge Corrupted Conviction Court Cleric Foam Weapon Kiosk Glorious Charge Griffin Protector Heated Argument Heliod, the Radiant Dawn Heliod, the Warped Eclipse Heroic Intervention Ignite the Beacon Inspiring Roar Jazal Goldmane Kindled Fury Lightning Helix Maelstrom Colossus Nacatl Savage Negate Plated Onslaught Radiant Fountain Show of Valor Silence Silvercoat Lion Storm the Citadel Titanic Ultimatum
Considering the grave you just set up, you've got fuel for 4-6 destructions, all while sitting behind a body the size of Obelisk
As for Black Luster Soldier, it cannot be destroyed in battle, banishes one of your opponent's cards when summoned, gains 1,500 attack points when it destroys an opponent's monster in battle, and can then attack again
Ideally, this synergistic deck should create tons of tokens separately, rather than all at once to maximize card draw