bridge card sleeves 1200 Pack Sleeves, Matte Dual Trading Card with Opaque Back & Smooth Shuffle, Tear Resistant Card Protectors for MTG, TCG and Game Cards (12 Colors) : Toys & Games Vault X exact fits are made from 60 micron thick polypropylene Penny Sleeves for Trading Cards

One of the big factors is rarity

Trigger 8 Main 4

2024-09-20 Unlike a face-down creature that was cast using a disguise or morph ability, a manifested creature may still be turned face up after it loses its abilities if it's a creature card.

[6] The game had several notable bugs, the most prominent being a miscoding for the card Verduran Enchantress enabling a player to obtain a free draw when casting specific other cards, such as Giant Growth

Basically, you use Dogoran and a Level 1 Tuner to summon this when you have an additional Kaiju in hand you want to summon or if youve used the Dogorans effect so it cannot attack

Some inclusions just have Mardu flavor in their art and rules text, plus theres a few other cards for support