Cavern Whisperer
Creature — Nightmare
Mana Cost:
{4}{B}
CMC 5
Colors:
B
Power / Toughness:
4 / 4
Set:
Ikoria: Lair of Behemoths (IKO)
Rarity:
Common
Standard
Commander
Mutate {3}{B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Menace (This creature can't be blocked except by two or more creatures.)
Whenever this creature mutates, each opponent discards a card.
Deck Archetypes
Graveyard Recursion
Stax
Has Mutate ability that targets non-Human creatures and causes opponents to discard cards, which is a strong graveyard …