When Ghoulraiser enters the battlefield, return a Zombie card at random from your graveyard to your hand.

You gain 2 life for each creature card in your graveyard.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Put target creature on top of its owner's library.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Defender, protection from Zombies

, : Target player exiles a card from their graveyard. If it's a creature card, you gain 2 life.

Grimgrin, Corpse-Born enters the battlefield tapped and doesn't untap during your untap step.
Sacrifice another creature: Untap Grimgrin and put a +1/+1 counter on it.
Whenever Grimgrin attacks, destroy target creature defending player controls, then put a +1/+1 counter on Grimgrin.

, , Discard a card: Put a study counter on Grimoire of the Dead.
, Remove three study counters from Grimoire of the Dead and sacrifice it: Put all creature cards from all graveyards onto the battlefield under your control. They're black Zombies in addition to their other colors and types.

At the beginning of each upkeep, if no spells were cast last turn, transform Grizzled Outcasts.

Enchant creature
Enchanted creature has intimidate. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever a nontoken creature you control dies, put a slime counter on Gutter Grime, then create a green Ooze creature token with "This creature's power and toughness are each equal to the number of slime counters on Gutter Grime."

Whenever Hamlet Captain attacks or blocks, other Humans you control get +1/+1 until end of turn.

Defender
At the beginning of each upkeep, if no spells were cast last turn, transform Hanweir Watchkeep.

As an additional cost to cast this spell, exile X cards from your graveyard.
Harvest Pyre deals X damage to target creature.

Creature spells you cast cost less to cast.
Creatures you control get -1/-1.

: Choose any target, then mill three cards. Heretic's Punishment deals damage to that permanent or player equal to the highest converted mana cost among the milled cards.

Hinterland Harbor enters the battlefield tapped unless you control a Forest or an Island.
: Add or .

Morbid — When Hollowhenge Scavenger enters the battlefield, if a creature died this turn, you gain 5 life.

At the beginning of your end step, if Homicidal Brute didn't attack this turn, tap Homicidal Brute, then transform it.

Each other creature you control that's a Werewolf or a Wolf gets +1/+1.
At the beginning of your end step, create a 2/2 green Wolf creature token.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform Howlpack Alpha.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Howlpack of Estwald.