Deathcap Cultivator

{T}: Add {B} or {G}.
Delirium — This creature has deathtouch as long as there are four or more card types among cards in your graveyard.

Vessel of Nascency

{1}{G}, Sacrifice this enchantment: Reveal the top four cards of your library. You may put an artifact, creature, enchantment, land, or planeswalker card from among them into your hand. Put the rest into your graveyard.

Drownyard Temple

{T}: Add {C}.
{3}: Return this card from your graveyard to the battlefield tapped.

Ulvenwald Tracker

{1}{G}, {T}: Target creature you control fights another target creature.

Groundskeeper

{1}{G}: Return target basic land card from your graveyard to your hand.

Cryptolith Rite

Creatures you control have "{T}: Add one mana of any color."

Traverse the Ulvenwald

Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Delirium — If there are four or more card types among cards in your graveyard, instead search your library for a creature or land card, reveal it, put it into your hand, then shuffle.

Fork in the Road

Search your library for up to two basic land cards and reveal them. Put one into your hand and the other into your graveyard. Then shuffle.

Retreat to Kazandu

Landfall — Whenever a land you control enters, choose one —
• Put a +1/+1 counter on target creature.
• You gain 2 life.

The Gitrog Monster

Deathtouch
At the beginning of your upkeep, sacrifice The Gitrog Monster unless you sacrifice a land.
You may play an additional land on each of your turns.
Whenever one or more land cards are put into your graveyard from anywhere, draw a card.

Merciless Resolve

As an additional cost to cast this spell, sacrifice a creature or land.
Draw two cards.