Grimgrin acts as both a removal engine and a growing threat, combining sacrifice synergy with commander damage
Healing in between turns is amazing, if your active Pokmon took heavy damage, it can be retreated to the bench and receive small healing as time goes by, and also gives your main attackers more of a tank ability
Never displays a fixed or repeated holo pattern
On another note, there will be a Digital Face-off tournament held through Duels of the Planeswalkers 2012 pitting employees of eight tech/gaming companies, including Valve, Google and Microsoft, against one another.
RLS Legacy, Solar Galleon 11
Lack of demand for these boxes is more likely to affect the prices long term than a reprint though IMO