You should also consider double use cards such as Endurance , which could either hose one of your opponents self-mill plans or safeguard your own graveyard in a pinch
It gets even better if you build around it by playing spells you especially want to copy, but assuming you are in the right colors, Dualcaster Mage is the first card I'd put in every Naban, Dean of Initiation Commander deck I build
Trigger [Trigger] If your Leader is [Vegapunk], play this card
The elemental may as well just be Jumbo Cactuar anyway, and B.F.M
You'll want to move as many characters to that location as possible , prioritizing characters with Reckless challengers, low Willpower questers like Simba, Scrappy Cub, and, if you can find her, Moana, Born Leader, who will ready all your other location-bound characters every time she quests