"Only 4,000 to 10,000 cards were produced, most of which were played with and are now dogeared - so to find one in mint condition like this one, which has a grading of 9 (out of 10), makes it all the rarer." Other rare items listed for Friday's Pokmon Day auction included a full set of mint condition Jungle 1st Edition cards from 1999 valued up to 20,000, which went unsold
I personally keep them sealed as I have no plans to use them
One thing you can modify with continuous effects is card types
Graded Population Report: Ruffian #181 Visualize the distrbution of grades in the chart
Last March of the Ents Expensive sorcery spells need to do something spectacular in Commander, and Last March of the Ents certainly fits the bill
How to Use Party Party is a bit of a tricky mechanic to work with, as it's very reliant on you being able to fill out those four creature types