Shadows over Innistrad Remastered

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

Sigarda, Heron's Grace | Legendary Creature | Angel | Flying You and Humans you control have hexproof. {2}, Exile a card from your graveyard: Create a 1/1 white Human Soldier creature token. | Chris Rahn

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

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

Mournwillow | Creature | Plant Skeleton | Haste Delirium — When Mournwillow enters the battlefield, if there are four or more card types among cards in your graveyard, creatures with power 2 or less can't block this turn. | Jeff Simpson

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