Offering all of these items for Thunderbolt and up to 10 items from this list for Shadow ball.
Dusts: Dragon, Ground, Sky, Thunder, Dark and Grass.
TMs: Aerial Ace, brick breack, acrobatics, Dragon Tail, Psyshock, Rain dance, Dream Eater, Shadow claw, Sludge bomb, and Trick room.
Others: Deepsea tooth, Water/Fire/thunder/leaf/moon/sun/dawn stone.