mtg contaminationurzas saga Return to Ravnica That land is a Swamp

That land is a Swamp for as long as it has a mire counter on it

Set: Urza's Saga Type: Sorcery Rarity: Rare Cost: {R} Search your library for a card

If this ability has been activated four or more times this turn

Set: Rivals of Ixalan Prerelease Promos Type: Creature — Dinosaur Rarity: Mythic Cost: {3}{W}{W} Enrage — Whenever Trapjaw Tyrant is dealt damage

mtg contaminationurzas saga Return to Ravnica That land is a SwampSet: 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.