
Isperia, Supreme Judge | Legendary Creature | Sphinx | Flying
Whenever a creature attacks you or a planeswalker you control, you may draw a card. | Scott M. Fischer

Armada Wurm | Creature | Wurm | Trample
When Armada Wurm enters the battlefield, create a 5/5 green Wurm creature token with trample. | Volkan Baǵa

Collective Blessing | Enchantment | | Creatures you control get +3/+3. | Svetlin Velinov

Coursers' Accord | Sorcery | | Create a 3/3 green Centaur creature token, then populate. (Create a token that's a copy of a creature token you control.) | Nils Hamm

Niv-Mizzet, Dracogenius | Legendary Creature | Dragon Wizard | Flying
Whenever Niv-Mizzet, Dracogenius deals damage to a player, you may draw a card.
{U}{R}: Niv-Mizzet, Dracogenius deals 1 damage to any target. | Todd Lockwood

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