Contamination [The List]Set: 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.

where X is the total amount of mana paid this way

Play it in only 15-30 minutes

Shatterskull Pass is a pretty distant second

Set: EX: Holon Phantoms Type: Metal Rarity: Uncommon Retreat cost: Colorless

• Swords of Catthulhu: In a medieval fantasy world

and trade the most memorable stamps from U

Set: Sword & Shield: Lost Origin Type: Psychic Rarity: Secret Rare Retreat cost: Colorless

Set: Strixhaven: School of Mages Art Series Rarity: Common

*Julius Caesar*

Whenever one or more land cards are put into your graveyard from anywhere

the Warleader attacks for the first time each turn

Set: Commander Legends: Battle for Baldur's Gate Prerelease Promos Type: Legendary Creature — Human Elf Cleric Rarity: Rare Cost: {3}{B} {1}{B}