Decree of Pain [Scourge] Nightmare Sphinx and can't be sacrificed

and can't be sacrificed

remove a +1/+1 counter from Savage Firecat

Set: Rivals of Ixalan Type: Legendary Creature — Sphinx Rarity: Mythic Cost: {2}{W}{W}{U}{U} Flying

Set: Onslaught Type: Creature — Human Cleric Rarity: Rare Cost: {2}{B} Whenever Ebonblade Reaper attacks

Decree of Pain [Scourge] Nightmare Sphinx and can't be sacrificedSet: Scourge Type: Sorcery Rarity: Rare Cost: {6}{B}{B} Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way. Cycling {3}{B}{B} ({3}{B}{B}, Discard this card: Draw a card.) When you cycle Decree of Pain, all creatures get 2 2 until end of turn.