You can also read up more on the 30th Celebration details over on the official Pokmon website
If you still dont have any Basic Pokmon, repeat
MISS Blue doesnt get many cards that can effectively remove permanents, but Imprisoned in the Moon is a Ruinous Path that also gives you opponent a free land
In fact, what made you give each person their specific effect
The first is that it offers a huge array of options, you can always tell when someone has a Chrome Mox in their opening hand simply because it is the only plausible reason they could be thinking for so long
Once your leaders set, focus on the tribal essentials, and dont forget that a solid mana base featuring effective Dual Lands is the backbone of any top-tier multicolored tribal list, if thats what you want to go for