Bloodline Shaman [Onslaught] Hour of Devastation then send all monsters in

then send all monsters in the opponent's hand and Deck to the Graveyard that have the same name as the monsters sent to the Graveyard by this effect

any Battle Damage it inflicts to your opponent is halved

negate the effects of the opponent's monster until the end of the turn

The monster you control gains ATK equal to the opponent's monster's DEF

Bloodline Shaman [Onslaught] Hour of Devastation then send all monsters inSet: Onslaught Type: Creature Elf Wizard Shaman Rarity: Uncommon Cost: {1}{G} {T}: Choose a creature type. Reveal the top card of your library. If that card is a creature card of the chosen type, put it into your hand. Otherwise, put it into your graveyard. Every creature of the forest has a name, and she knows them all.