Contamination [The List] Commander Legends if you gained life this

if you gained life this turn

Set: Saviors of Kamigawa Type: Legendary Land Rarity: Rare {T}: Add {C}

As the ruler of the Galactic Empire

Set: Core Set 2020 Promos Type: Creature — Nightmare Rarity: Rare Cost: {3}{B} Whenever a Swamp enters the battlefield under your control

Set: HeartGold & SoulSilver: Call of Legends Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

Contamination [The List] Commander Legends if you gained life thisSet: The List 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.