The problem is that it's very easy to blink Miner over and over again, but there aren't very many support cards you can find room for in an energy deck that care about it
(Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) When this creature enters, surveil 2
Great job Ninja! chris24bauer the one ring looks amazing
A lot of the coloured cards you play are things you play at the end of your curve and so the burst this offers typically isn't useful
Considering it only costs one mana and has two toughness, it's no surprise it is worthy of its value when combined with foil, retro borders, and is only one of 500.
Like Minds Eye, its a scalable effect where you can control the investment you put into it