Shadows over Innistrad Remastered

Mindwrack Demon | Creature | Demon | Flying, trample When Mindwrack Demon enters the battlefield, mill four cards. Delirium — At the beginning of your upkeep, you lose 4 life unless there are four or more card types among cards in your graveyard. | Matt Stewart

Relentless Dead | Creature | Zombie | Menace (This creature can't be blocked except by two or more creatures.) When Relentless Dead dies, you may pay {B}. If you do, return it to its owner's hand. When Relentless Dead dies, you may pay {X}. If you do, return another target Zombie creature card with mana value X from your graveyard to the battlefield. | Ryan Yee

Ishkanah, Grafwidow | Legendary Creature | Spider | Reach Delirium — When Ishkanah, Grafwidow enters the battlefield, if there are four or more card types among cards in your graveyard, create three 1/2 green Spider creature tokens with reach. {6}{B}: Target opponent loses 1 life for each Spider you control. | Christine Choi

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

Olivia, Mobilized for War | Legendary Creature | Vampire Knight | Flying Whenever another creature enters the battlefield under your control, you may discard a card. If you do, put a +1/+1 counter on that creature, it gains haste until end of turn, and it becomes a Vampire in addition to its other types. | Eric Deschamps