First, whenever a creature you control dies, each opponent has to exile a creature of their own--this reminds me of a card like Grave Pact, only better because the casting cost is two Black versus three Black and exiling is better than sacrificing
Your turn: You can target 1 of your banished Union monsters
Its value quickly dropped, though, when it resold for $192,000 just months latermaking it the hobbys biggest known loss
Note that the restrictions wear off the moment Ravenous Tarantula becomes Pain Gainer, so this is a very feasible strategy
Radstorm Radstorm is a deceptively simple card, but Proliferate and Storm appearing on the same card is a hell of a keyword combo
Voja, Jaws of the Conclave BPhillipYork : This seems like a fairly good sort of mid-range commander