Ascendant Packleader

This creature enters with a +1/+1 counter on it if you control a permanent with mana value 4 or greater.
Whenever you cast a spell with mana value 4 or greater, put a +1/+1 counter on this creature.

Forest

Ember-Eye Wolf

Haste
{1}{R}: This creature gets +2/+0 until end of turn.

Dire Wolf Prowler

{1}{G}: This creature gets +2/+2 and gains haste until end of turn. Activate only once each turn.

Young Wolf

Undying (When this creature 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.)

Temple of Abandon

This land enters tapped.
When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
{T}: Add {R} or {G}.

Hungry Ridgewolf

As long as you control another Wolf or Werewolf, this creature gets +1/+0 and has trample.

Nightpack Ambusher

Flash
Other Wolves and Werewolves you control get +1/+1.
At the beginning of your end step, if you didn't cast a spell this turn, create a 2/2 green Wolf creature token.

Sporeback Wolf

During your turn, this creature gets +0/+2.

Mountain

Snarling Wolf

{1}{G}: This creature gets +2/+2 until end of turn. Activate only once each turn.

Brazen Wolves

Whenever this creature attacks, it gets +2/+0 until end of turn.

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.