Vivi not only grows bigger and hits the opponent the more spells you play, it then turns that into mana, which you can use to cast even more spells
The lack of red mana in this theoretical deck puts a limit on the number of Final Fantasy Wizards you can consider, but theres still Venat, Heart of Hydaelyn, who lets you draw a card every time you cast a Legendary card
Each Item is played to the board by their ink cost and then allows the player to use the abilities stated on the card
Try to use Terra and other cards like Gogo: Mysterious Mine, which can become a copy of Terra to quickly get his cost down by adding creatures to the graveyard
Little John, Resourceful Outlaw combines both of these powerful mechanics to further incentivise you towards making a strong front line
Rejoin the Fight may cost six mana, but the effect is well worth the cost