2: Target creature becomes a Treasure artifact with ", Sacrifice this artifact: Add one mana of any color" and loses all other card types and abilities
He is typically just a two mana investment although he often generates mana in playing him through use of Cradle or other obscene land
Its currently $20, and the non-foil shows up in one of the Mystery Booster slots
I've been in so many spots where I've had to chump block with a fish token from Fountainport, but if I'm making two that gives me another chump blocker for the following turn, one that I can sacrifice to draw a card
It does, however, have some fierce competition, Burgeoning, for instance, offers a similar strong land-playing ability that even beats Exploration in Commander