Mist-Cloaked Herald 3 Shockingly Triton Shorestalker is one of the better one drop merfolk on offer and has always impressed me when I use it
Which Naya creature is your favorite to run at the table
While one is on the battlefield, use the characteristics of whichever face is up with one exception: if the back face is up, you still use the front face's mana cost to determine the back face's mana value
While The One Ring received a great deal of media attention and hype, it isn't the first Magic card to be printed as a 001/001
The most obviously powerful one of these is Syvelun of Sea and Sky, which is basically an indestructible merfolk that draws cards and helps protect your other creatures
The main limiting factor is going to be the black mana requirement, so the major infinite enablers to look out for are Pitiless Plunderer, Warren Soultrader, Carnival of Souls, Phyrexian Altar, Defiler of Flesh, and K'rrik, Son of Yawgmoth