Most played cards in Mono Black:

1 Decks
 ↓ Snow-Covered Swamp
5 copies – 5 avg
↓ Wasteland
4 copies – 4 avg
↓ Opposition Agent
4 copies – 4 avg
↓ Rotting Regisaur
4 copies – 4 avg
↓ Dark Ritual
4 copies – 4 avg
↓ Hymn to Tourach
4 copies – 4 avg
↓ Thoughtseize
4 copies – 4 avg
↓ Leyline of the Void
4 copies – 4 avg
↓ Plague Engineer
3 copies – 3 avg
↓ Bloodchief's Thirst
3 copies – 3 avg
↓ Chrome Mox
3 copies – 3 avg
↓ Liliana of the Veil
3 copies – 3 avg
↓ Castle Locthwain
2 copies – 2 avg
↓ Phyrexian Revoker
2 copies – 2 avg
↓ Eliminate
2 copies – 2 avg
↓ Fatal Push
2 copies – 2 avg
↓ Liliana's Triumph
2 copies – 2 avg
↓ Bloodstained Mire
1 copies – 1 avg
↓ Marsh Flats
1 copies – 1 avg
↓ Mishra's Factory
1 copies – 1 avg