Magnemite, duduo, seel, grimer, gastly (2 of them, one into haunter and one into gengar), drowzee, krabby, voltorb, cubone, koffing, rhyhorn, horsea, goldeen, magikarp, dratini (2 of them, one to dragonair and dragonite)
18 sets in total plus the slowpoke set you are training at the moment. how much for all?
