10 cards where the card types include “basic” and the set is “lea”

Forest (Limited Edition Alpha #294)
Forest (Limited Edition Alpha #295)
Island (Limited Edition Alpha #288)
Island (Limited Edition Alpha #289)
Mountain (Limited Edition Alpha #292)
Mountain (Limited Edition Alpha #293)
Plains (Limited Edition Alpha #286)
Plains (Limited Edition Alpha #287)
Swamp (Limited Edition Alpha #290)
Swamp (Limited Edition Alpha #291)

This search is finished. Now the real work can begin.