While that may sound attractive, keep in mind that Troll and Toad will ultimately assess the condition of the card and may deem it less than Near Mint meaning a smaller payout
For every Reserved List staple clogging up Commander wish lists, there is a legal, reprinted, budget-friendly card doing a version of the same job
Let me start by saying that there are a lot of places to buy Japanese cards
Zhur-Taa Druid only gives you green mana, but you still get some red behavior with the damage when it taps for mana
It's not the most powerful Stage 2, but Giant Bloom's ability to heal 30 damage from Venusaur every time it attacks
All in all, Darkrai-EX is a very versatile and extremely beneficial tech in Plasma and I defintely would want to play it in most Team Plasma decks