Abyssal Harvester (Borderless) (Mana Foil) [Foundations] Battle for Zendikar perhaps with the help of

perhaps with the help of a powerful artifact or two

Set: Mystery Booster Type: Enchantment Rarity: Rare Cost: {1}{U}{U} Whenever an opponent casts a spell

If a source you control with an odd mana value would deal damage to a permanent or player

Equipped creature gets +3/+1

Set: Unstable Type: Artifact — Contraption Rarity: Mythic Whenever you crank Bee-Bee Gun

Abyssal Harvester (Borderless) (Mana Foil) [Foundations] Battle for Zendikar perhaps with the help ofSet: Foundations Type: Creature Demon Warlock Rarity: Rare Cost: {1}{B}{B} {T}: Exile target creature card from a graveyard that was put there this turn. Create a token that's a copy of it, except it's a Nightmare in addition to its other types. Then exile all other Nightmare tokens you control. Final moments stricken by terror make the corpses into potent magical fuel.