Sinuous Predator

This creature can't be blocked by more than one creature.

Have

Kessig Prowler

Kessig Prowler // Sinuous Predator

Gnarlwood Dryad

Deathtouch
Delirium — This creature gets +2/+2 as long as there are four or more card types among cards in your graveyard.

Abundant Maw

Emerge {6}{B} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, target opponent loses 3 life and you gain 3 life.

Might Beyond Reason

Put two +1/+1 counters on target creature.
Delirium — Put three +1/+1 counters on that creature instead if there are four or more card types among cards in your graveyard.

Lashweed Lurker

Emerge {5}{G}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, you may put target nonland permanent on top of its owner's library.

Fibrous Entangler

Vigilance
This creature must be blocked if able.
This creature can block an additional creature each combat.

Tangleclaw Werewolf

This creature can block an additional creature each combat.
{6}{G}: Transform this creature.

Tangleclaw Werewolf // Fibrous Entangler

Will Have 

The Mimeoplasm

As The Mimeoplasm enters, you may exile two creature cards from graveyards. If you do, it enters as a copy of one of those cards with a number of additional +1/+1 counters on it equal to the power of the other card.

Emrakul's Influence

Whenever you cast an Eldrazi creature spell with mana value 7 or greater, draw two cards.

Root Out

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

Yarok, the Desecrated

Deathtouch, lifelink
If a permanent entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.