Devin des Protecteurs du Tombeau LVAL-FR034

You can Tribute 3 monsters or 1 "Gravekeeper's" monster to Special Summon (but not Set) this card. When this card is Special Summoned by Tribute, you can activate a number of these effects, up to the number of "Gravekeeper's" monsters Tributed for its Tribute Summon, and resolve them in order: This card gains ATK equal to the total Levels of all monsters Tributed for its Tribute Summon x 100. Destroy all monsters your opponent controls. All monsters currently controlled by your opponent lose 2000 ATK/DEF.