Slifer the Sky Dragon [YMA-EN001] Secret Rare 92 This attack does nothing if

This attack does nothing if Ditto doesn't have the Energy necessary to use that attack

Set: XY: Flashfire Type: Colorless Rarity: Ultra Rare Retreat cost: Colorless

When the effect of an Effect Monster is activated

Set: Diamond & Pearl: Secret Wonders Type: Lightning Rarity: Promo Retreat cost: Colorless

It now takes 20 Poison damage instead of 10 after each player's turn (even if it was already Poisoned)

Slifer the Sky Dragon [YMA-EN001] Secret Rare 92 This attack does nothing ifSet: Yu Gi Oh! The Movie Ani Manga Promo Card type: Normal Monster Rarity: Secret Rare The heavens twist and thunder roars, signaling the coming of this ancient creature, and the dawn of true power.