Mist Archfiend [FOTB-EN064] Secret Rare Galactic Overlord and attack it with this

and attack it with this card

You can detach 2 Xyz Materials from this card

Set: Duel Terminal 6 Card type: Effect Monster Rarity: Super Rare Attack: 2000 Defense: 1700 This card gains 300 ATK for every "Dark Magician" or "Magician of Black Chaos" in any Graveyard

this card's ATK is halved during damage calculation

Mist Archfiend [FOTB-EN064] Secret Rare Galactic Overlord and attack it with thisSet: Force of the Breaker Card type: Effect Monster Rarity: Secret Rare Attack: 2400 Defense: 0 You can Normal Summon this card without Tributing a monster. If you do this, during the End Phase it is destroyed and you take 1000 damage.