Curse of Echoes [The List] Nightstalker then this scheme deals damage

then this scheme deals damage equal to the number of doom counters on it to the opponent with the highest life total among your opponents

Carnifex Demon enters the battlefield with two -1/-1 counters on it

Set: Alpha Edition Type: Creature — Spider Rarity: Common Cost: {3}{G} Reach (This creature can block creatures with flying

Set: Ikoria: Lair of Behemoths Promos Type: Land — Island Mountain Plains Rarity: Rare ({T}: Add {U}

Set: Kaladesh Inventions Type: Artifact Creature — Shapeshifter Rarity: Mythic Cost: {6} Imprint — When Duplicant enters the battlefield

Curse of Echoes [The List] Nightstalker then this scheme deals damageSet: The List Type: Enchantment Aura Curse Rarity: Rare Cost: {4}{U} Enchant player Whenever enchanted player casts an instant or sorcery spell, each other player may copy that spell and may choose new targets for the copy they control.