Ojamakawai

• side deck has 6 cards, must be at most 0
• deck master has 0 cards, must be 1–1
• Giant Trunade is Forbidden
• Card of Safe Return is Forbidden
• Graceful Charity is Forbidden
• Rescue Cat is Forbidden
• Painful Choice is Forbidden
• Pot of Avarice is Forbidden
• Heavy Storm is Forbidden
• Glow-Up Bulb is Forbidden
• Pot of Greed is Forbidden
• Monster Reborn is Forbidden
• at least 44 cards first released after HAT's card pool closed (2014-08-13): Cooky★Yummy Way, Cooky☆Yummy, Cupsy★Yummy Way, Cupsy☆Yummy, Dark Ruler No More, Epurrely Beauty, Epurrely Happiness, Epurrely Noir, Epurrely Plump, Expurrely Happiness, Expurrely Noir, Herald of the Arc Light, Hop Ear Squadron, Lollipo★Yummy Way, Lollipo☆Yummy, Lost Wind, Made to Order Mermaid Outfit Outfitter, Marshmao☆Yummy, Melffy Catty, Melffy Fenny, Melffy Hide-and-Seek, Melffy of the Forest, Melffy Pinny, Melffy Pony, Melffy Puppy, Melffy Rabby, Melffy Staring Contest, Melffy Tag, Melffy Wally, Merry Melffys, Ojama Emperor, Ojama Pink, Pendulum Dimension, Purrely, Purrelyly, Tantrum Toddler, Titanocider, Ukanomitsune-no-Onari, Valerifawn, Mystical Beast of the Forest, Yum☆Yum☆Yummys, Yummy★Snatchy, Yummy☆Surprise, Yummyusment★Acroquey, Yummyusment☆Mignon

Checked against the HAT format Forbidden & Limited list (April 2014) as of 1 April 2014 and its card pool (no card first released after 13 August 2014), with the sizes and copy limits of a Domain deck.

Not checked: the Deck Master's Domain (which monsters it allows).