Contamination [Urza's Saga] Tezzeret Your opponents can't cast spells

Your opponents can't cast spells during your turn

Set: Magic Player Rewards 2010 Type: Instant Rarity: Rare Cost: {R} Lightning Bolt deals 3 damage to any target

Set: From the Vault: Relics Type: Artifact Rarity: Mythic Cost: {1} {T}: Add {C}{C}

Set: Dark Ascension Promos Type: Creature — Zombie Rarity: Rare Cost: {B} Gravecrawler can't block

"Hard to imagine

Contamination [Urza's Saga] Tezzeret Your opponents can't cast spellsSet: Urza's Saga Type: Enchantment Rarity: Rare Cost: {2}{B} At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature. If a land is tapped for mana, it produces {B} instead of any other type and amount.