Dark Heart of the Wood

Forest

Maraleaf Rider

Sacrifice a Food: Target creature blocks Maraleaf Rider this turn if able.

Elvish Pioneer

When Elvish Pioneer enters the battlefield, you may put a basic land card from your hand onto the battlefield tapped.

Arachnoid Adaptation

Target creature gets +2/+2 and gains reach until end of turn. Untap it.

Chorus of Woe

Creatures you control get +1/+0 until end of turn.

Grizzled Outrider

Battlegrowth

Ivy Lane Denizen

Whenever another green creature enters the battlefield under your control, put a +1/+1 counter on target creature.

Mountain

Omen of the Dead

Flash
When Omen of the Dead enters the battlefield, return target creature card from your graveyard to your hand.
{2}{B}, Sacrifice Omen of the Dead: Scry 2.

Battle-Rage Blessing

Target creature gains deathtouch and indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Essence Warden

Whenever another creature enters the battlefield, you gain 1 life.

Thornbow Archer

Whenever Thornbow Archer attacks, each opponent who doesn't control an Elf loses 1 life.

Elvish Herder

{G}: Target creature gains trample until end of turn.

Blazing Volley

Blazing Volley deals 1 damage to each creature your opponents control.

Joraga Visionary

When Joraga Visionary enters the battlefield, draw a card.

Swamp

Atraxa's Fall

Destroy target artifact, battle, enchantment, or creature with flying.

Aggressive Urge

Target creature gets +1/+1 until end of turn.
Draw a card.

Godtracker of Jund

Whenever a creature with power 5 or greater enters the battlefield under your control, you may put a +1/+1 counter on Godtracker of Jund.