Highborn Ghoul

Intimidate (This creature can’t be blocked except by artifact creatures and/or creatures that share a color with it.)

Immerwolf

Intimidate (This creature can’t be blocked except by artifact creatures and/or creatures that share a color with it.)
Each other creature you control that’s a Wolf or a Werewolf gets +1/+1.
Non-Human Werewolves you control can’t transform.

Mikaeus, the Unhallowed

Intimidate (This creature can’t be blocked except by artifact creatures and/or creatures that share a color with it.)
Whenever a Human deals damage to you, destroy it.
Other non-Human creatures you control get +1/+1 and have undying. (When a creature with undying 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.)

Spectral Rider

Intimidate (This creature can’t be blocked except by artifact creatures and/or creatures that share a color with it.)

Brain Weevil

Intimidate (This creature can’t be blocked except by artifact creatures and/or creatures that share a color with it.)
Sacrifice Brain Weevil: Target player discards two cards. Activate this ability only any time you could cast a sorcery.

Blind Zealot

Intimidate (This creature can’t be blocked except by artifact creatures and/or creatures that share a color with it.)
Whenever Blind Zealot deals combat damage to a player, you may sacrifice it. If you do, destroy target creature that player controls.

Geth, Lord of the Vault

Intimidate (This creature can’t be blocked except by artifact creatures and/or creatures that share a color with it.)
: Put target artifact or creature card with converted mana cost X from an opponent’s graveyard onto the battlefield under your control tapped. Then that player mills X cards.

Bellowing Tanglewurm

Intimidate (This creature can’t be blocked except by artifact creatures and/or creatures that share a color with it.)
Other green creatures you control have intimidate.

Halo Hunter

Intimidate (This creature can’t be blocked except by artifact creatures and/or creatures that share a color with it.)
When Halo Hunter enters the battlefield, destroy target Angel.

Bladetusk Boar

Intimidate (This creature can’t be blocked except by artifact creatures and/or creatures that share a color with it.)