Amaze Attraction Viking Vortex

Target 1 "Amazement" monster you control or 1 face-up monster your opponent controls; equip this card to it. You can activate the following effect, based on which player controls the equipped monster;
● You: Once per turn, when an opponent's monster declares an attack: Negate the attack, and if you do, change control of the equipped monster until the end of the Battle Phase.
● Your opponent: When the equipped monster activates its effect: Return it to the hand.