Its a nifty little card game that has players positioning themselves at three different locations in an effort to control two of them by rounds end
Also, he's very strong at playing defense with his instant speed able Phasing out and if you can protect him, you can win fast in a multiplayer game, and the more in the game the better he is
There isnt really room for tweaks on this design, so theres nothing for WotC to do but commission new artwork for Negate and send it back out for an encore every year or so
When a set nears Standard rotation, their prices drop before rebounding with the next sets release
That said, Gravestorm itself threatens to be a devastatingly powerful mechanic
It might look jarring, but it fits with the overall tone of Duskmourn