A massive threat plus a tutor plus mana reduction is great in decks built around casting cards from exile, though I wouldnt run it in just any old black deck
Greater Realm of Preservation is another consideration that addresses both, but requires a much more significant mana investment for each activation, so I usually skip it in these unpowered builds
Card Name Maskwood Nexus Mana Cost Type Artifact Rarity Rare rules Text Creatures you control are every creature type
No humans, no goblins, no elves, merfolk, zombies, angels or dragons here
However, if a card is expensive because its good in Standard, then it wont be valuable for long
Little screaming souls are all steaming and screaming off of the teeth