Contamination [Urza's Saga]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.

Set: Planechase Type: Enchantment Rarity: Rare Cost: {1}{B}{B}{B} Whenever a creature you control dies

Kozilek's Return deals 5 damage to each creature

Set: From the Vault: Legends Type: Legendary Creature — Elemental Rarity: Mythic Cost: {2}{G} You don't lose unspent green mana as steps and phases end

The Order of Saint Traft found new strength with Sigarda's support

Set: Legendary Collection Type: Grass Rarity: Common Retreat cost: Colorless

" —Halvor Arenson

Set: Sword & Shield: Base Set Type: Supporter Rarity: Secret Rare

You may choose new targets for it

Set: Diamond & Pearl: Stormfront Type: Grass Rarity: Rare Retreat cost: Colorless

(You decide whether to use Gambler's Gloves after seeing the result of the die roll

Set: Promotional Planes Type: Plane — Zendikar Rarity: Rare Creatures can't block

Set: Commander 2016 Type: Land Rarity: Rare {T}: Add one mana of any color