Aplan Mortarium Plane Alfava Metraxis Byzantium Radiation At the beginning of your upkeep, put an exposure counter on Aplan Mortarium
The trick to Isshin isn't just going wide - it's knowing how to build your triggers
This benefit can escalate quickly in games featuring wheels, Rhystic Study, or group draw effects
Thornmantle has great versatility and can even destroy indestructible creatures like Stuffy Doll with its -X/-X ability
Better still, Darksteel Plate, like most cards with Darksteel in their name, is itself Indestructible, shrugging off most of the plentiful artifact removal that roams the table, unlike Hammer of Nazahn
But his ability is quite strong, so I think he will certainly make an impact