Duza the Meteor Cubic Vessel [MVP1-ENGV1] Gold Secret Rare Limited if your Attack Position monster

if your Attack Position monster battles an opponent's Attack Position monster with higher ATK: The controller of the battling monster with lower ATK can pay 500 LP for that monster to gain 500 ATK during damage calculation only

or the effects of such cards

remove it from play

During either player's Damage Step

Duza the Meteor Cubic Vessel [MVP1-ENGV1] Gold Secret Rare Limited if your Attack Position monsterSet: The Dark Side of Dimensions Movie Pack: Gold Edition Card type: Effect Monster Rarity: Gold Secret Rare Attack: 1600 Defense: 1600 If this card is Normal or Special Summoned: You can send 1 "Cubic" card from your Deck to the Graveyard. Once per turn, during either player's turn, if a monster was sent to your Graveyard this turn while this card was face up on the field: You can make this card gain 200 ATK for each monster with a different name in