The station mechanic charges it up into a massive flying artifact creature, while your other gold cards flood the board and power up its triggers
Rampage only works for creatures past the first blocking the creature with rampage, so Im giving Barreling Attack points for at least letting you maybe get through for lethal trample damage at four mana
This set could be the start of your MTG journey "This new Magic the Gathering crossover is exactly what I dreamt that Final Fantasy cards could be [...] the new renders of Terra, Cloud, Tidus, and Yshtola on the boxes are some of the nicest depictions of the beloved characters Ive seen in years - and might finally be the push that gets me into playing Magic
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)