All of Wizards design resources went to building for Standard and every product release supported it
The token copy won't copy counters or damage marked on Watchful Radstag, nor will it copy other effects that have changed Watchful Radstag's power, toughness, types, color, and so on
In a lot of other situations you have to be very careful with what you clamp, shaving off just one creature every couple of turns so as not to lose momentum
I think you could use a little more draw overall and possible a little less unblockable
In more multiplayer/EDH terms a super interesting political tool is to turn an opponent into a more desirable target, much like curses, and turn it into benefits for someone attacking a battle they dont own
Shift mechanics [edit] Shift is the ability to upgrade character cards in play with a different character card with the same name