Gilford the Lightning [DR04-EN242] Secret Rare Dominaria Prerelease Promos it gains 1000 ATK and

it gains 1000 ATK and the opponent's monster loses 500 ATK

"If you must die today

Set: Eldritch Moon Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {13} This spell costs {1} less to cast for each card type among cards in your graveyard

Your opponent cannot select another face-up Fairy-Type monster as an attack target

Gilford the Lightning [DR04-EN242] Secret Rare Dominaria Prerelease Promos it gains 1000 ATK andSet: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Secret Rare Attack: 2800 Defense: 1400 You can Tribute 3 monsters to Tribute Summon this card. If you do, destroy all monsters your opponent controls.