Prometheus, King of the Shadows [DESO-EN047] Super Rare Tuner/Effect Monster You can only use each

You can only use each of the following effects of "Hi-Speedroid Kendama" once per turn

change that opponent's monster's ATK to 0

Set: Duel Power Card type: Pendulum/Effect Monster Rarity: Ultra Rare Attack: 0 Defense: 0 During the End Phase

You can only use this effect of "Crowley

Prometheus, King of the Shadows [DESO-EN047] Super Rare Tuner/Effect Monster You can only use eachSet: Destiny Soldiers Card type: Effect Monster Rarity: Super Rare Attack: 1200 Defense: 800 If this card is Normal Summoned: Banish any number of DARK monsters from your Graveyard, and if you do, this card gains 400 ATK for each, until the end of this turn.