Taillow (72/109) [EX: Ruby & Sapphire] 217 make that target's ATK 0

make that target's ATK 0 during damage calculation only (this is a Quick Effect)

Set: Breakers of Shadow Card type: Synchro/Effect Monster Rarity: Rare Attack: 2800 Defense: 2000 1 Tuner + 1 or more non-Tuner Synchro Monsters When this card declares an attack on an opponent's monster: This card gains 400 ATK for each EARTH Warrior-Type Synchro Monster you control

Don't even go there

Set: Legendary Duelists: Sisters of the Rose Card type: Effect Monster Rarity: Rare Attack: 800 Defense: 2000 If this card is in your hand or GY: You can target 1 “Lunalight” card you control

You can only use each effect of "Witchcrafter Masterpiece" once per turn

Taillow (72/109) [EX: Ruby & Sapphire] 217 make that target's ATK 0Set: EX: Ruby & Sapphire Type: Colorless Rarity: Common Retreat cost: Colorless