Crow of Dark Tidings

Flying
When this creature enters or dies, mill two cards. (Put the top two cards of your library into your graveyard.)

Desperate Sentry

When Desperate Sentry dies, create a 3/2 colorless Eldrazi Horror creature token.
Delirium — Desperate Sentry gets +3/+0 as long as there are four or more card types among cards in your graveyard.

Severed Strands

As an additional cost to cast this spell, sacrifice a creature.
You gain life equal to the sacrificed creature's toughness. Destroy target creature an opponent controls.

Forest

Disentomb

Return target creature card from your graveyard to your hand.

Angelic Purge

As an additional cost to cast this spell, sacrifice a permanent.
Exile target artifact, creature, or enchantment.

Liliana's Elite

Liliana's Elite gets +1/+1 for each creature card in your graveyard.

Strange Augmentation

Enchant creature
Enchanted creature gets +1/+1.
Delirium — Enchanted creature gets an additional +2/+2 as long as there are four or more card types among cards in your graveyard.

Swamp

Backwoods Survivalists

Delirium — Backwoods Survivalists gets +1/+1 and has trample as long as there are four or more card types among cards in your graveyard.

Celestial Flare

Target player sacrifices an attacking or blocking creature of their choice.

Evolving Wilds

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Unearth

Return target creature card with mana value 3 or less from your graveyard to the battlefield.
Cycling {2} ({2}, Discard this card: Draw a card.)

Pit Keeper

When Pit Keeper enters, if you have four or more creature cards in your graveyard, you may return target creature card from your graveyard to your hand.

Plains

Grisly Salvage

Reveal the top five cards of your library. You may put a creature or land card from among them into your hand. Put the rest into your graveyard.

Elsewhere Flask

When Elsewhere Flask enters, draw a card.
Sacrifice Elsewhere Flask: Choose a basic land type. Each land you control becomes that type until end of turn.

Trapped in the Screen

Ward {2} (Whenever this enchantment becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)
When Trapped in the Screen enters, exile target artifact, creature, or enchantment an opponent controls until Trapped in the Screen leaves the battlefield.

Moorland Drifter

Delirium — Moorland Drifter has flying as long as there are four or more card types among cards in your graveyard.

Moldgraf Scavenger

Delirium — Moldgraf Scavenger gets +3/+0 as long as there are four or more card types among cards in your graveyard.

Bone Splinters

As an additional cost to cast this spell, sacrifice a creature.
Destroy target creature.