[ACD]Battleguard Mad Shaman

You can Special Summon this card (from your hand) by Tributing 3 monsters, including at least 1 "Battleguard" monster. Once per turn, you can activate 1 of these effects.
● If this card is not already controlling a monster with its effect: You can target 1 monster your opponent controls; take control of that target.
● If this card is already controlling a monster with its effect: You can target that monster and 1 monster your opponent controls; switch control of both monsters.
While you control a monster with this effect, your opponent cannot target this card for an attack.