
Graf Rats | Creature | Rat | At the beginning of combat on your turn, if you both own and control Graf Rats and a creature named Midnight Scavengers, exile them, then meld them into Chittering Host. | Jason Felix

Olivia's Dragoon | Creature | Vampire Berserker | Discard a card: Olivia's Dragoon gains flying until end of turn. | Chris Rallis

Stromkirk Condemned | Creature | Vampire Horror | Discard a card: Vampires you control get +1/+1 until end of turn. Activate only once each turn. | Magali Villeneuve

Wailing Ghoul | Creature | Zombie | When Wailing Ghoul enters the battlefield, mill two cards. | Svetlin Velinov

Grim Flayer | Creature | Human Warrior | Trample
Whenever Grim Flayer deals combat damage to a player, surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
Delirium — Grim Flayer gets +2/+2 as long as there are four or more card types among cards in your graveyard. | Mathias Kollros