Touch of Darkness [Legends]Set: Legends Type: Instant Rarity: Uncommon Cost: {B} One or more target creatures become black until end of turn. "Black spirits and white, red spirits and gray, Mingle, mingle, mingle, you that mingle may." Thomas Middleton, The Witch

but there used to be many more

Set: Commander 2015 Type: Creature — Goat Rarity: Rare Cost: {4}{G}{G} Whenever Pathbreaker Ibex attacks

Set: Limited Edition Alpha Type: Creature — Goblin Warrior Rarity: Uncommon Cost: {R} {R}: Goblin Balloon Brigade gains flying until end of turn

"Union may be strength

Set: Judge Gift Cards 2017 Type: Artifact Creature — Horror Rarity: Rare Cost: {2} {U/P}: Change a target of target spell or ability to Spellskite

Set: Ninth Edition Type: Creature — Zombie Rarity: Rare Cost: {1}{B}{B} Other Zombie creatures get +1/+1

destroy target creature with flying

{T}: Destroy target creature

As long as your devotion to black is less than five

your life total can't change and you gain protection from everything

Set: Nemesis Type: Sorcery Rarity: Common Cost: {2}{B}{B} Each player loses 1 life for each creature they control

{0}: Sacrifice Knowledge Vault