Potted Piranha Plant
Bomb Mushroom- Can be picked up and tossed at enemies or special blocks.
Bowser Shell- Turns you into Bowser Mario, combining the Fire Flower and Blue Shell powerups.
Vine Flower: Shoots vines that you can swing on or climb up.
Giga Grape- When swallowed by Yoshi, he grows to a gigantic size for a short amount of time.
Chill Cherry- When swallowed by Yoshi, replaces his enemy-swallowing technique with frost breath that can freeze enemies and create paths over lava.