Shadows over Innistrad Remastered

Spell Queller | Creature | Spirit | Flash Flying When Spell Queller enters the battlefield, exile target spell with mana value 4 or less. When Spell Queller leaves the battlefield, the exiled card's owner may cast that card without paying its mana cost. | Adam Paquette

Heron's Grace Champion | Creature | Human Knight | Flash Lifelink When Heron's Grace Champion enters the battlefield, other Humans you control get +1/+1 and gain lifelink until end of turn. | Todd Lockwood

Prized Amalgam | Creature | Zombie | Whenever a creature enters the battlefield, if it entered from your graveyard or you cast it from your graveyard, return Prized Amalgam from your graveyard to the battlefield tapped at the beginning of the next end step. | Karl Kopinski

Altered Ego | Creature | Shapeshifter | This spell can't be countered. You may have Altered Ego enter the battlefield as a copy of any creature on the battlefield, except it enters with X additional +1/+1 counters on it. | Kev Walker

Bloodhall Priest | Creature | Vampire Cleric | Whenever Bloodhall Priest enters the battlefield or attacks, if you have no cards in hand, Bloodhall Priest deals 2 damage to any target. Madness {1}{B}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) | Mark Winters

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