Minecraft wiki entry for Super_Smash_Bros._Ultimate, associated text: Neutral Special (): Mine / Craft / Create Block - Collect materials from the ground by mining the floor. Craft tools while at the crafting table or place blocks while in the air.
Side Special ( + Left/Right): Minecart - An iron minecart will travel along the rails. Powered rails can be placed with the right materials. If empty, the minecart will carry an enemy away.
Up Special ( + Up): Elytra - Equip an elytra, accelerate with a firework rocket, and glide through the air. Adjust the trajectory by inputting up and down.
Down Special ( + Down): TNT - Use several materials to create an explosive block. Hold the special-move button and left or right to use redstone and place a plate that can set off the block.
Final Smash ( after breaking a Smash Ball, getting a full Final Smash meter, or being granted a Final Smash through other means): House of Boom - Create a big piston that strikes out to one side. The piston can hit multiple opponents, but only one will be launched into a dark room that then explodes.