Silverfur Partisan

Trample
Whenever a Wolf or Werewolf you control becomes the target of an instant or sorcery spell, create a 2/2 green Wolf creature token.

Howlgeist

Creatures with power less than this creature's power can't block it.
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.)

Wandering Wolf

Creatures with power less than this creature's power can't block it.

Wolfkin Bond

Enchant creature
When this Aura enters, create a 2/2 green Wolf creature token.
Enchanted creature gets +2/+2.

Skalla Wolf

When this creature enters, look at the top five cards of your library. You may reveal a green card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Arlinn's Wolf

This creature can't be blocked by creatures with power 2 or less.

Ferocious Pup

When this creature enters, create a 2/2 green Wolf creature token.

Track Down

Scry 3, then reveal the top card of your library. If it's a creature or land card, draw a card. (To scry 3, look at the top three cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Giant Growth

Target creature gets +3/+3 until end of turn.

Howling Giant

Reach (This creature can block creatures with flying.)
When this creature enters, create two 2/2 green Wolf creature tokens.

Howl of the Night Pack

Create a 2/2 green Wolf creature token for each Forest you control.

Mantle of the Wolf

Enchant creature
Enchanted creature gets +4/+4.
When this Aura is put into a graveyard from the battlefield, create two 2/2 green Wolf creature tokens.

Forest

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.

Wolfir Avenger

Flash (You may cast this spell any time you could cast an instant.)
{1}{G}: Regenerate this creature.

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.)

Second Harvest

For each token you control, create a token that's a copy of that permanent.

Mowu, Loyal Companion

Vigilance, trample
If one or more +1/+1 counters would be put on Mowu, that many plus one +1/+1 counters are put on it instead.

Howlpack Resurgence

Flash
Each creature you control that's a Wolf or a Werewolf gets +1/+1 and has trample.

Spirit of the Hunt

Flash
When this creature enters, each other creature you control that's a Wolf or a Werewolf gets +0/+3 until end of turn.