
Assassin's Strike | Sorcery | | Destroy target creature. Its controller discards a card. | Chase Stone

Necropolis Regent | Creature | Vampire | Flying
Whenever a creature you control deals combat damage to a player, put that many +1/+1 counters on it. | Winona Nelson

Zanikev Locust | Creature | Insect | Flying
Scavenge {2}{B}{B} ({2}{B}{B}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.) | Cliff Childs

Carnival Hellsteed | Creature | Nightmare Horse | First strike, haste
Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.) | Chase Stone

Havoc Festival | Enchantment | | Players can't gain life.
At the beginning of each player's upkeep, that player loses half their life, rounded up. | Johannes Voss

Rakdos Ringleader | Creature | Skeleton Warrior | First strike
Whenever Rakdos Ringleader deals combat damage to a player, that player discards a card at random.
{B}: Regenerate Rakdos Ringleader. | Jason Felix

Rites of Reaping | Sorcery | | Target creature gets +3/+3 until end of turn. Another target creature gets -3/-3 until end of turn. | David Rapoza