one of them, Erayo, Soratami AscendantErayo, Soratami Ascendant, is even banned
Of course, this is worth keeping in mind before making any grading submissions.
For the middle loyalty ability, each opponent in turn order chooses whether or not to scry
They deal damage whenever one or more counters are placed on a creature you control, so modulars combination of an initial burst of counters and death trigger means you can burn out your enemies quickly
A second wave of similar tri-lands showed up in Khans of Tarkir, such as Nomad Outpost (taps for red, white, or black)
This would specifically trigger "enters the battlefield" effects, as well as create a number of other cool interactions