Yawgmoth's Edict [Urza's Saga] Eternal Duelist Soul You can only use this

You can only use this effect of "Mecha Phantom Beast Megaraptor" once per turn

Set: Battle Pack 2: War of the Giants Card type: Effect Monster Rarity: Rare Attack: 1900 Defense: 400 FLIP: This card gains 500 ATK and DEF

or to a Fusion Monster you control that lists "Cyber Dragon" as a Fusion Material Monster

Set: Battle for Zendikar Type: Creature — Eldrazi Rarity: Uncommon Cost: {6} Vigilance

when you inflict battle damage to your opponent with this effect

Yawgmoth's Edict [Urza's Saga] Eternal Duelist Soul You can only use thisSet: Urza's Saga Type: Enchantment Rarity: Uncommon Cost: {1}{B} Whenever an opponent casts a white spell, that player loses 1 life and you gain 1 life. "Phyrexia's purity permits no other." Xantcha, Phyrexian outcast