
Mass Calcify | Sorcery | | Destroy all nonwhite creatures. | Brandon Kitkouski

Resolute Archangel | Creature | Angel | Flying
When Resolute Archangel enters the battlefield, if your life total is less than your starting life total, it becomes equal to your starting life total. | Anthony Palumbo

Stormtide Leviathan | Creature | Leviathan | Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
All lands are Islands in addition to their other types.
Creatures without flying or islandwalk can't attack. | Karl Kopinski

In Garruk's Wake | Sorcery | | Destroy all creatures you don't control and all planeswalkers you don't control. | Chase Stone

Siege Dragon | Creature | Dragon | Flying
When Siege Dragon enters the battlefield, destroy all Walls your opponents control.
Whenever Siege Dragon attacks, if defending player controls no Walls, it deals 2 damage to each creature without flying that player controls. | Karl Kopinski

Hornet Queen | Creature | Insect | Flying
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
When Hornet Queen enters the battlefield, create four 1/1 green Insect creature tokens with flying and deathtouch. | Martina Pilcerova