The Dragons Advent/Deck Master Effects

Once per turn: You can target 1 monster you control and 1 monster your opponent controls; this turn, negate the effect(s) of the second target, and if you do, replace the effect(s) of the first target with the second target's effects. If this card destroys a Level 5 or higher monster by battle: Destroy all Special Summoned monsters your opponent controls. If this card is destroyed or banished: You lose the Duel.

Once per turn, during either player's turn, if your opponent would Special Summon a Level 5 or higher monster(s) (except during the Damage Step): Negate the Summon, and if you do, destroy all Level 5 or higher monsters your opponent controls. Once per turn: You can target 1 Level 5 or higher monster your opponent controls; banish it, and if you do, 1 monster you control gains ATK equal to half the banished monster's ATK, until the end of this turn. If this card is destroyed or banished: You lose the Duel.

If an opponent's monster's ATK is reduced by a card effect: Increase that ATK decrease by 1000. If a monster(s) you control gains ATK: Increase that ATK gain by 1000. Once per turn: You can target 1 Xyz Monster you control and 1 DARK monster in your Graveyard; attach the second target to the first target as an Xyz Material. If this card is destroyed or banished: You lose the Duel.

If a Pendulum Monster you control battles, your opponent cannot activate cards or effects until the end of the Damage Step. Once per turn: You can target 1 other face-up card you control; destroy it, and if you do, add 1 Pendulum Monster from your Main Deck to your hand with 1500 ATK or less. If this card is destroyed or banished: You lose the Duel.