Essentially, if you have a full party with all four of these on the board, you can pay one white, one blue, and one black mana to give the Warrior lifelink, deathtouch, and make him unblockable (deathtouch and unblockable at the same time has no real use, but thats still OP to think about)
meanwhile green not only speaks to how beefed up Cloud can get thanks to his equipment attachments but is also a flavorful nod to the connection he forges with nature after defecting from SOLDIER
The decks other character, Cruella De Vil, Miserable as Usual, is a much cheaper card able to be played earlier on, and can force characters off the field when shes banished by returning a character to its players hand - playing into the decks more control-like tendencies
Youll likely tear a few sleeves while learning to shuffle in this way, but again, thats the point
He's defeated by Cloud and sent into the Lifestream, where he rests and slowly absorbs the lifeforce of the world
She's a double threat - not just one of the most popular Disney characters of all time, but the first card printed of that character when the game launched