Tiras, Keeper of Genesis [BP01-EN029] Rare Dark Revelation Volume 4 that monster you control gains

that monster you control gains 2000 ATK/DEF during that damage calculation only

Set: Duelist Alliance Card type: Xyz/Effect Monster Rarity: Ghost Rare Attack: 2500 Defense: 2100 3 Level 4 monsters While this card has Xyz Material

you can activate 1 of these effects

Set: Welcome to Rathe Edition: Alpha Print Finish: Regular Rarity: Majestic Class: Warrior Cost: 0 Target weapon attack gains go again

Tiras, Keeper of Genesis [BP01-EN029] Rare Dark Revelation Volume 4 that monster you control gainsSet: Battle Pack: Epic Dawn Card type: Xyz Effect Monster Rarity: Rare Attack: 2600 Defense: 1700 2 Level 5 monsters. This card's effects can only be applied or activated while it has Xyz Material. This card cannot be destroyed by card effects. At the end of the Battle Phase, if this card attacked or was attacked: Target 1 card your opponent controls, destroy the target. During each of your End Phases: Detach 1 Xyz Material from this card.