If you passed both the Basic Commands and Intermediate Commands, congratulations! You finally made it to the Expert Commands! The commands for the Expert Commands are tricky, but pack quite a punch! Here are the Expert Commands:
/give @p wood Gives the player wood
/give @p stone Gives the player stone
/give @p cobble_stone Gives the player cobblestone
/give @p mob_spawner Gives the player a mob spawner.
/give @p gold_ingot Gives the player a gold ingot
/give @p iron_ingot Gives the player an iron ingot
/give @p diamond Gives the player a diamond
/give @p emerald Gives the player an emerald
/give @p obsidian Gives the player obsidian
/give @p netherrack Gives the player netherrack
/give @p nether_star Gives the player the Nether Star
/give @p dragon_egg Gives a player the rare Dragon Egg
/give @p command_block Gives the player a command block
/give @p stone Gives the player stone
/give @p cobble_stone Gives the player cobblestone
/give @p mob_spawner Gives the player a mob spawner.
/give @p gold_ingot Gives the player a gold ingot
/give @p iron_ingot Gives the player an iron ingot
/give @p diamond Gives the player a diamond
/give @p emerald Gives the player an emerald
/give @p obsidian Gives the player obsidian
/give @p netherrack Gives the player netherrack
/give @p nether_star Gives the player the Nether Star
/give @p dragon_egg Gives a player the rare Dragon Egg
/give @p command_block Gives the player a command block