For one mana, Tide Shaper is a 1/1 merfolk wizard that gets +1/+1 as long as an opponent controls an island, often allowing it to be cast as a one-mana 2/2
Then swing with your 12/12 and make 12 mana, and then use that mana in your post-combat main phase to continue to cast and target him for more triggers
Call for Aid is, without a doubt, the best new card in the deck
You may also want to protect and bolster your forces with cards such as Unbreakable Formation and Akromas Will , especially as the latter feels like the premier combat finisher for go-wide decks that include white
Nami (SR) [OP08-106] Following the massive success of the Luffy campaign, Bandai dropped the ultimate fan-service prize: Serialized Nami
You'll often get to cast a 4+ MV card for free