
Gisa and Geralf | Legendary Creature | Human Wizard | When Gisa and Geralf enters the battlefield, mill four cards.
During each of your turns, you may cast a Zombie creature spell from your graveyard. | Karla Ortiz

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

Ulrich of the Krallenhorde | Legendary Creature | Human Werewolf | Whenever this creature enters the battlefield or transforms into Ulrich of the Krallenhorde, target creature gets +4/+4 until end of turn.
At the beginning of each upkeep, if no spells were cast last turn, transform Ulrich of the Krallenhorde. | Slawomir Maniak