Contamination [Urza's Saga] Goblin Assassin Set: Portal Three Kingdoms Type:

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Warrior Rarity: Rare Cost: {3}{R}{R} Horsemanship (This creature can't be blocked except by creatures with horsemanship

Set: Core Set 2019 Prerelease Promos Type: Sorcery Rarity: Mythic Cost: {2}{G}{G} Sacrifice any number of lands

unless you pay {B}{B}{B}

Set: Commander 2014 Type: Instant Rarity: Rare Cost: {1}{U} Return target nonland permanent you don't control to its owner's hand

Contamination [Urza's Saga] Goblin Assassin Set: Portal Three Kingdoms Type:Set: 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.