A good resources to help you learn the card game is the Battle Academy box set which provides all the pieces and some decks to learn how to play the game
Generally speaking, in decks that are three or more colors, you want to play almost all dual lands, along with enough basic lands to support whatever ramp is in your deck (Land Tax, Kodama's Reach, Rampant Growth, et al.)
there are 8 slots in a Play Booster, which are as follows: 6 CommonsThere is a possibility of booster fun in this slot
It's a nonspecific card, which means it probably won't show up often, but I can't see a green deck that wouldn't enjoy this
Eastfarthing Farmer Dang, I love this card so much
This can help increase the pressure on the opponent whilst you wait to draw the other Pokmon in the deck