The new options:

Gongenzaka Noboru: You must have 10 or more “Superheavy Samurai” cards in your Main Deck, and your Main Deck must only consist of Monster Cards.
Sawatari Shingo: You must have 10 or more “Yosenju” cards in your Main Deck, and your Main Deck must include 2 or more copies of “Yosenju Sarenshinchu” and “Yosenju Urenshinchu” each.