Damping Field [Antiquities] Kaladesh Inventions add {B} for each charge

add {B} for each charge counter on Black Market

but I say the best way is all smashed together between two slug chips

using their libraries as their decks

Set: Unlimited Edition Type: Artifact Creature — Juggernaut Rarity: Uncommon Cost: {4} Juggernaut attacks each combat if able

Set: Eventide Type: Creature — Faerie Wizard Rarity: Rare Cost: {3}{U} Flying

Damping Field [Antiquities] Kaladesh Inventions add {B} for each chargeSet: Antiquities Type: Enchantment Rarity: Uncommon Cost: {2}{W} Players can't untap more than one artifact during their untap steps. Eventually, mages learned to harness the power of natural damping fields and use it for their own ends.