A Merfolk strategy would obviously rely on more than just 4 Lord of Atlantis and 4 Merfolk of the Pearl Trident
Video Tutorial: I have a video version of this tutorial on my youtube channel
Cherrim was a more permanent boost but Crobat G had the support to be used over and over anyway and could hit the Bench while Expert Belt raised HP as well but at the cost of giving up an extra Prize when that Pokemon was Knocked Out
A big reason for this is that foil lands were fairly common in Unhinged about one per booster box, on averagebut with Unstable , you had to open three to four boxes (on average) to pull even a single foil basic land
The Temur Clan are back in Tarkir: Dragonstorm, and some of their cards have a new ability called harmonize
when there are three or more Wizards under the player's control, it flips into the Final Iteration, which not only carries over the token-making ability, but gives all Wizards under the player's control +2/+1 and flying