Duskmourn: House of Horror

Abhorrent Oculus | Creature | Eye | As an additional cost to cast this spell, exile six cards from your graveyard. Flying At the beginning of each opponent's upkeep, manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.) | Bryan Sola

Screaming Nemesis | Creature | Spirit | Haste Whenever Screaming Nemesis is dealt damage, it deals that much damage to any other target. If a player is dealt damage this way, they can't gain life for the rest of the game. | Liiga Smilshkalne

Hauntwoods Shrieker | Creature | Beast Mutant | Whenever Hauntwoods Shrieker attacks, manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.) {1}{G}: Reveal target face-down permanent. If it's a creature card, you may turn it face up. | John Tedrick

Tyvar, the Pummeler | Legendary Creature | Elf Warrior | Tap another untapped creature you control: Tyvar, the Pummeler gains indestructible until end of turn. Tap it. {3}{G}{G}: Creatures you control get +X/+X until end of turn, where X is the greatest power among creatures you control. | Olivier Bernard