Mathmech Division [MYFI-EN006] Super Rare BT05 that monster's ATK becomes 0

that monster's ATK becomes 0 during damage calculation only

Set: Stardust Overdrive Card type: Synchro/Effect Monster Rarity: Ultimate Rare Attack: 3800 Defense: 3000 "Majestic Dragon" + "Stardust Dragon" + 1 non-Tuner monster You can Tribute this card to negate the activation of an opponent's Spell Card

Set: Flaming Eternity Card type: Effect Monster Rarity: Ultimate Rare Attack: 2000 Defense: 1000 As long as this card remains face-up on the field

inflict damage to your opponent''s Life Points equal to the Level of the monster x 100 points

also it is unaffected by Trap effects

Mathmech Division [MYFI-EN006] Super Rare BT05 that monster's ATK becomes 0Set: Mystic Fighters Card type: Effect Monster Rarity: Super Rare Attack: 1500 Defense: 1000 You can Tribute 1 Cyberse monster you control in the Extra Monster Zone; Special Summon up to 1 Level 4 Cyberse monster each from your hand and GY. If this card is sent to the GY: You can target 1 face up monster on the field; its ATK becomes halved until the end of this turn. You can only use each effect of "Mathmech Division" once per turn.