The wizard text isnt irrelevant, giving this a home with commanders like Azami, Lady of Scrolls, but it wont matter much in a merfolk build
We focus on the Go Tall strategies by cutting out the Go Wide cards, cut out generally worse cards for better alternatives, lower the overall cmc of the deck, and introduce a few "I Win" cards such as Berserk
The first is simply rarity: some cards are printed much less than others, perhaps with even rarer art or foiling that makes them highly desirable
Into: Pako and Haldan A battlefield sweeper is one of the worst things that can happen to this deck because it generally means recasting two cards in order to get back to running at full speed
Legendary Creature Artifact - Robot Ratchet, Field Medic More Than Meets the Eye (You may cast this card converted for .) Lifelink Whenever you gain life, you may convert Ratchet
What sets this one apart, however, is that its PSA 10