Mario in Wizard Land is a game by Jet Inc.. It's for the WiiXtreme.
Elf Mario: Mario becomes short and wears elf-like clothes. He can build weird vehicles.
Dwarf Mario: Mario becomes short and wears dwarf clothes. He can pass through small holes.
Werewolf Mario: Mario looks like a red werewolf. He can pounce.
Knight Mario: Mario gets a sword and wears red armor. He can stab with his sword and guard himself with his shield.
Yoshicorn: Yoshi, who looks like a green Unicorn. He can charge and poke enemies with his horn.
Wizbirdo: Birdo, who looks like herself except wearing wizard clothes. She can shoot magic beams to kill enemies.
Drabowser: Bowser, who looks like Gloomtail except with a Koopa shell. He can breathe fire.
Peachasus: Peach, who looks like a pink Pegasus. She can fly.
All of the enemies are the same as in Super Mario Bros. except they wear wizard costumes.
Jet Inc. hasn't revealed it yet.