Midnight Oil [Kaladesh]Set: Kaladesh Type: Enchantment Rarity: Rare Cost: {2}{B}{B} Midnight Oil enters the battlefield with seven hour counters on it. At the beginning of your draw step, draw an additional card and remove two hour counters from Midnight Oil. Your maximum hand size is equal to the number of hour counters on Midnight Oil. Whenever you discard a card, you lose 1 life.

Set: Black & White: Legendary Treasures Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Set: Sword & Shield: Battle Styles Type: Grass Rarity: Rare Retreat cost: Colorless

Set: Sword & Shield: Darkness Ablaze Type: Item Rarity: Secret Rare

its controller adds an additional one mana of the chosen color

At the beginning of each opponent's end step

Set: Black & White: Noble Victories Type: Water Rarity: Holo Rare Retreat cost: Colorless

Exile all the cards from your library

Set: Dissension Type: Creature — Viashino Shaman Rarity: Rare Cost: {2}{R}{R} {2}{R}

Set: World Championships 2009 Type: Grass Rarity: Rare Retreat cost: Colorless

Exile any number of those cards

you gain 1 life for each creature you control

Set: XY: Furious Fists Type: Water Rarity: Holo Rare Retreat cost: Colorless