Aetherflux Reservoir [Kaladesh Prerelease Promos]Set: Kaladesh Prerelease Promos Type: Artifact Rarity: Rare Cost: {4} Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: Aetherflux Reservoir deals 50 damage to any target. While most power is used for ordinary, everyday tasks, one shouldn't underestimate its potential for the extraordinary.

Set: Jungle 1st Edition Type: Grass Rarity: Rare

Set: Sun & Moon: Lost Thunder Type: Lightning Rarity: Promo Retreat cost: 1

Set: EX: Team Magma vs Team Aqua Type: Fighting Rarity: Rare

Set: Neo Genesis Unlimited Type: Colorless Rarity: Holo Rare

Set: Diamond & Pearl: Secret Wonders Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

When Ebon Dragon enters the battlefield

Set: The Dark Type: Enchantment Rarity: Rare Cost: {B}{B}{B} At the beginning of your upkeep

Set: HeartGold & SoulSilver: Call of Legends Type: Lightning Rarity: Promo

Set: Black & White: Legendary Treasures Type: Fire Rarity: Common Retreat cost: Colorless

Set: Sword & Shield: Darkness Ablaze Type: Metal Rarity: Secret Rare Retreat cost: Colorless

Set: Sun & Moon: Base Set Type: Item Rarity: Secret Rare

Set: Secret Lair Drop Series Type: Legendary Artifact Rarity: Rare If you would flip a coin