River Darter

Evasion keyed to a single creature type is a strange thing to print, and stranger still to underrate: this Merfolk's unblockability is aimed at Dinosaurs specifically, a clause that reads like flavor text until you remember the environment it was built for was wall-to-wall lizards. That is the tension in tribally-gated evasion. The keyword does nothing against a board of Vampires or Pirates, but pointed at a wall of the plane's apex predators it turns a modest 2/3 into a reliable clock that the biggest blockers on the table simply cannot interact with. The design lineage here is the targeted hoser creature: a body that would be a vanilla common if not for one clause aimed at a specific corner of the environment it was born into. Compared with broad evasion like islandwalk or flying, this is narrower and louder, a card that announces exactly which deck it was made to punish. Against anything but the tribe it was designed to spoil, it stays exactly what its stats say it is: a 2/3 that trades down and blocks nothing worth naming. Against a green-white army of horns and teeth, it becomes the one attacker that never has to think about the ground.