Worn Powerstone [Duel Decks: Phyrexia vs. the Coalition] Xyz/Effect Monster Sometimes the smallest nuisance can

Sometimes the smallest nuisance can be the greatest pain

if this Set card is in the Spell & Trap Zone is destroyed and sent to your GY: Special Summon it

Death arrives on tattered wings and stolen bones

Scholars are uncertain whether it was the actual sound or some other magical property of the Elven Lyre that transformed its player

" —Belbe

Worn Powerstone [Duel Decks: Phyrexia vs. the Coalition] Xyz/Effect Monster Sometimes the smallest nuisance canSet: Duel Decks: Phyrexia vs. the Coalition Type: Artifact Rarity: Uncommon Cost: {3} Worn Powerstone enters the battlefield tapped. {T}: Add {C}{C}. Even a fragment of a powerstone contains within it not just energy, but spacevast dimensions trapped in fragile crystal.