When your opponent activates a monster effect, or an opponent's monster declares an attack (Quick Effect): You can Special Summon this card from your hand. You can only use this effect of "Kuriboh - Multiply!" once per turn. Once per turn, when your opponent activates a monster effect on the field, or during damage calculation when an opponent's monster attacks (Quick Effect): You can add to your hand or Special Summon, from your Deck or GY, 1 "Dark Magician" or 1 monster with 300 ATK/200 DEF, then you can change that opponent's monster's ATK to 0.
![Kuriboh - Multiply! (Starlight Rare) (Extended Art) [MAMO-EN002] Starlight Rare | Exor Games Bridgewater](http://exor-games-bridgewater.myshopify.com/cdn/shop/files/ygo_placeholder_7b3b755d-3a47-4917-a60c-d4e609d4b0e8.png?v=1788474696)
