When asked why, he brought up his ongoing involvement with the FF7 remake series he served as game director for the first title before moving to creative director for Rebirth
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)
entertainment should lead every decision
That could be quite convenient if you dont want to worry about exporting and uploading this into another proxy service
If you've been playing with the best Disney Lorcana starter decks, the reinforcements you get in this booster box should be a welcome change