Its all about getting your creatures to 7 power to trigger additional effects from Cloud or Tifa, while minimizing equip costs to allow you to switch gear and keep opponents guessing
It triples your threats power level and allows for you to equally distribute your power amongst your three opponents
While I was unfamiliar with FFX, seeing cards from FF7 and FF15 was the best part, while other smaller easter eggs wait to be unravelled
They have most of the same common cards, but the real difference is the special full arts
Like most Magic: The Gathering cards, the value of Goldvein Hydra depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Outlaws of Thunder Junction)
It was released in August of 2005 and consisted of 145* cards total