Humble the Brute

Destroy target creature with power 4 or greater.
Investigate.(Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

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.

Kyler, Sigardian Emissary

Whenever another Human you control enters, put a +1/+1 counter on Kyler.
Other Humans you control get +1/+1 for each counter on Kyler.

Gather the Townsfolk

Create two 1/1 white Human creature tokens.
Fateful hour — If you have 5 or less life, create five of those tokens instead.

Lunarch Inquisitors

When this creature transforms into Lunarch Inquisitors, you may exile another target creature until this creature leaves the battlefield.

Avacynian Missionaries

At the beginning of your end step, if this creature is equipped, transform it.

Avacynian Missionaries // Lunarch Inquisitors

Howlpack of Estwald

At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.

Villagers of Estwald

At the beginning of each upkeep, if no spells were cast last turn, transform this creature.

Villagers of Estwald // Howlpack of Estwald

Unruly Mob

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

Declaration in Stone

Exile target creature and all other creatures its controller controls with the same name as that creature. That player investigates for each nontoken creature exiled this way.