Tiras, Keeper of Genesis [BP01-EN029] Rare Dark Revelation Volume 4 they discard a card

they discard a card

remove from play 1 card your opponent controls

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

Change 1 "Elemental Hero Bubbleman" in face-up Attack Position on your side of the field and 1 monster in face-up Attack Position on your opponent''s side of the field to Defense Position

You can Special Summon this monster from your hand

Tiras, Keeper of Genesis [BP01-EN029] Rare Dark Revelation Volume 4 they discard a cardSet: 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.