Forest

Smite the Monstrous

Destroy target creature with power 4 or greater.

Overrun

Creatures you control get +3/+3 and gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)

Slayer of the Wicked

When this creature enters, you may destroy target Vampire, Werewolf, or Zombie.

Plains

Titanic Growth

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

Hamlet Captain

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

Jade Mage

{2}{G}: Create a 1/1 green Saproling creature token.

Avacyn's Pilgrim

Thraben Purebloods

Butcher's Cleaver

Equipped creature gets +3/+0.
As long as equipped creature is a Human, it has lifelink.
Equip {3}

Blazing Torch

Equipped creature can't be blocked by Vampires or Zombies.
Equipped creature has "{T}, Sacrifice Blazing Torch: Blazing Torch deals 2 damage to any target."
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Selfless Cathar

{1}{W}, Sacrifice this creature: Creatures you control get +1/+1 until end of turn.

Bramblecrush

Avacynian Priest

Elder Cathar

When this creature dies, put a +1/+1 counter on target creature you control. If that creature is a Human, put two +1/+1 counters on it instead.

Elite Vanguard

Unruly Mob

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

Fiend Hunter

When this creature enters, you may exile another target creature.
When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Spare from Evil

Creatures you control gain protection from non-Human creatures until end of turn.

Benalish Veteran

Whenever this creature attacks, it gets +1/+1 until end of turn.

Sharpened Pitchfork

Equipped creature has first strike.
As long as equipped creature is a Human, it gets +1/+1.
Equip {1}

Elder of Laurels

{3}{G}: Target creature gets +X/+X until end of turn, where X is the number of creatures you control.

Silver-Inlaid Dagger

Equipped creature gets +2/+0.
As long as equipped creature is a Human, it gets an additional +1/+0.
Equip {2}

Bonds of Faith

Enchant creature
Enchanted creature gets +2/+2 as long as it's a Human. Otherwise, it can't attack or block.

Mentor of the Meek

Whenever another creature you control with power 2 or less enters, you may pay {1}. If you do, draw a card.