Yawgmoth's Bargain [Urza's Destiny] Odyssey inflict damage to your opponent

inflict damage to your opponent equal to the difference between its current and original DEF

Set: Journey into Nyx Type: Sorcery Rarity: Rare Cost: {1}{R} Strive — This spell costs {2}{R} more to cast for each target beyond the first

Set: Scars of Mirrodin Type: Artifact Creature — Golem Rarity: Rare Cost: {5} When Precursor Golem enters the battlefield

You can only activate 1 "Pot of Duality" per turn

Set: Aether Revolt Type: Creature — Bird Rarity: Common Cost: {2}{W} Flying

Yawgmoth's Bargain [Urza's Destiny] Odyssey inflict damage to your opponentSet: Urza's Destiny Type: Enchantment Rarity: Rare Cost: {4}{B}{B} Skip your draw step. Pay 1 life: Draw a card. He craves only one commodity.