Weaponize the Monsters

{2}, Sacrifice a creature: This enchantment deals 2 damage to any target.

Bloodfell Caves

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {B} or {R}.

Perimeter Sergeant

Whenever this creature attacks, other Humans you control get +1/+0 until end of turn.

Frillscare Mentor

When this creature enters, put a menace counter on target non-Human creature you control. (It can't be blocked except by two or more creatures.)
{2}{R}, {T}: Put a +1/+1 counter on each creature you control with menace.

Whisper Squad

{1}{B}: Search your library for a card named Whisper Squad, put it onto the battlefield tapped, then shuffle.

Patagia Tiger

Flying
When this creature enters, target Human you control gets +2/+2 until end of turn.

Necropanther

Mutate {2}{W/B}{W/B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Whenever this creature mutates, return target creature card with mana value 3 or less from your graveyard to the battlefield.

Bastion of Remembrance

When this enchantment enters, create a 1/1 white Human Soldier creature token.
Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.

Blood Curdle

Destroy target creature. Put a menace counter on a creature you control. (It can't be blocked except by two or more creatures.)

Mountain

Sanctuary Lockdown

Humans you control get +1/+1.
{2}, Tap two untapped Humans you control: Tap target creature an opponent controls.

Bushmeat Poacher

{1}, {T}, Sacrifice another creature: You gain life equal to the sacrificed creature's toughness. Draw a card.

Savai Crystal

{T}: Add {R}, {W}, or {B}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Sonorous Howlbonder

Menace
Each creature you control with menace can't be blocked except by three or more creatures.

Dire Tactics

Exile target creature. If you don't control a Human, you lose life equal to that creature's toughness.

Swamp

Scoured Barrens

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {W} or {B}.

Grimdancer

This creature enters with your choice of two different counters on it from among menace, deathtouch, and lifelink.

Daysquad Marshal

When this creature enters, create a 1/1 white Human Soldier creature token.

Nightsquad Commando

When this creature enters, if you attacked this turn, create a 1/1 white Human Soldier creature token.

Checkpoint Officer

Durable Coilbug

{4}{B}: Return this card from your graveyard to your hand.

Plains

General's Enforcer

Legendary Humans you control have indestructible.
{2}{W}{B}: Exile target card from a graveyard. If it was a creature card, create a 1/1 white Human Soldier creature token.