Suffer the Past

Exile X target cards from target player's graveyard. For each card exiled this way, that player loses 1 life and you gain 1 life.

Assassinate

Beastmaster Ascension

Whenever a creature you control attacks, you may put a quest counter on this enchantment.
As long as this enchantment has seven or more quest counters on it, creatures you control get +5/+5.

Undying Evil

Target creature gains undying until end of turn. (When it dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Sanguine Bond

Whenever you gain life, target opponent loses that much life.

Arbor Colossus

Reach
{3}{G}{G}{G}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
When this creature becomes monstrous, destroy target creature with flying an opponent controls.

Giant Scorpion

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Scion of the Wild

Scion of the Wild's power and toughness are each equal to the number of creatures you control.

Rune-Scarred Demon

Flying
When this creature enters, search your library for a card, put it into your hand, then shuffle.

Quest for the Gravelord

Whenever a creature dies, you may put a quest counter on this enchantment.
Remove three quest counters from this enchantment and sacrifice it: Create a 5/5 black Zombie Giant creature token.

Flesh to Dust

Destroy target creature. It can't be regenerated.

Swamp

Sandsteppe Citadel

This land enters tapped.
{T}: Add {W}, {B}, or {G}.

Nemesis of Mortals

This spell costs {1} less to cast for each creature card in your graveyard.
{7}{G}{G}: Monstrosity 5. This ability costs {1} less to activate for each creature card in your graveyard. (If this creature isn't monstrous, put five +1/+1 counters on it and it becomes monstrous.)

Child of Night

Kalastria Highborn

Whenever this creature or another Vampire you control dies, you may pay {B}. If you do, target player loses 2 life and you gain 2 life.

Elixir of Immortality

{2}, {T}: You gain 5 life. Shuffle this artifact and your graveyard into their owner's library.

Titanic Growth

Target creature gets +4/+4 until end of turn.

Traveler's Amulet

{1}, Sacrifice this artifact: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Grazing Gladehart

Landfall — Whenever a land you control enters, you may gain 2 life.

Brain Maggot

When this creature enters, target opponent reveals their hand and you choose a nonland card from it. Exile that card until this creature leaves the battlefield.

Timberland Guide

When this creature enters, put a +1/+1 counter on target creature.

Opulent Palace

This land enters tapped.
{T}: Add {B}, {G}, or {U}.

Primal Bellow

Target creature gets +1/+1 until end of turn for each Forest you control.

Gravedigger

When this creature enters, you may return target creature card from your graveyard to your hand.

Forest

Scavenger Drake

Flying
Whenever another creature dies, you may put a +1/+1 counter on this creature.

Sheoldred, Whispering One

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.
At the beginning of each opponent's upkeep, that player sacrifices a creature of their choice.