Muzurhythm the String Djinn [YS12-EN040] Super Rare XY139 It gains 400 ATK until

It gains 400 ATK until the End Phase

Set: EX: Dragon Type: Water Rarity: Common Retreat cost: Colorless

this card gains 500 ATK for each card sent to the GY this way

Set: Hidden Arsenal Card type: Normal Spell Rarity: Secret Rare Attack: 0 Defense: 0 Activate only while you control a face-up "Cyber Dragon"(s)

Muzurhythm the String Djinn [YS12-EN040] Super Rare XY139 It gains 400 ATK untilSet: Starter Deck: Xyz Symphony Card type: Xyz Effect Monster Rarity: Super Rare Attack: 1500 Defense: 1000 2 Level 3 monsters During the Damage Step, when a "Djinn" Xyz Monster you control is attacking an opponent's monster: You can detach 1 Xyz Material from this card; the attacking monster's ATK is doubled until the End Phase. The effect of "Muzurhythm the String Djinn" can only be used once per turn.