Sire of Insanity

At the beginning of each end step, each player discards their hand.

Ancient Cellarspawn

Each spell you cast that's a Demon, Horror, or Nightmare costs {1} less to cast.
Whenever you cast a spell, if the amount of mana spent to cast it was less than its mana value, target opponent loses life equal to the difference.

Untimely Malfunction

Choose one —
• Destroy target artifact.
• Change the target of target spell or ability with a single target.
• One or two target creatures can't block this turn.

Morality Shift

Exchange your graveyard and library. Then shuffle your library.

Select decks to compare

Deck A:

Deck B: