Fierce Witchstalker

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
When this creature enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Pack Guardian

Flash
When this creature enters, you may discard a land card. If you do, create a 2/2 green Wolf creature token.

Plains

Hollowhenge Overlord

Flash
At the beginning of your upkeep, for each creature you control that's a Wolf or a Werewolf, create a 2/2 green Wolf creature token.

Affa Guard Hound

Flash (You may cast this spell any time you could cast an instant.)
When this creature enters, target creature gets +0/+3 until end of turn.

Ainok Bond-Kin

Outlast {1}{W} ({1}{W}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.)
Each creature you control with a +1/+1 counter on it has first strike.

Spirited Companion

Sacred Wolf

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Yoshimaru, Ever Faithful

Whenever another legendary permanent you control enters, put a +1/+1 counter on Yoshimaru.
Partner (You can have two commanders if both have partner.)

Witchstalker

Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Whenever an opponent casts a blue or black spell during your turn, put a +1/+1 counter on this creature.

Cemetery Prowler

Vigilance
Whenever this creature enters or attacks, exile a card from a graveyard.
Spells you cast cost {1} less to cast for each card type they share with cards exiled with this creature.

Watchwolf

Ferocious Pup

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

Supply Runners

When this creature enters, put a +1/+1 counter on each other creature you control.

Encampment Keeper

First strike
{7}{W}, {T}, Sacrifice this creature: Creatures you control get +2/+2 until end of turn.

Alpine Watchdog

Vigilance (Attacking doesn't cause this creature to tap.)

Somberwald Alpha

Whenever a creature you control becomes blocked, it gets +1/+1 until end of turn.
{1}{G}: Target creature you control gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Pack Leader

Other Dogs you control get +1/+1.
Whenever this creature attacks, prevent all combat damage that would be dealt this turn to Dogs you control.

Rambunctious Mutt

When this creature enters, destroy target artifact or enchantment an opponent controls.

Packsong Pup

At the beginning of combat on your turn, if you control another Wolf or Werewolf, put a +1/+1 counter on this creature.
When this creature dies, you gain life equal to its power.

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.

Loyal Warhound

Vigilance
When this creature enters, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

Forest

Briarpack Alpha

Flash (You may cast this spell any time you could cast an instant.)
When this creature enters, target creature gets +2/+2 until end of turn.

Wolfir Avenger

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

Anara, Wolvid Familiar

During your turn, commanders you control have indestructible. (Effects that say "destroy" don't destroy them. A creature with indestructible can't be destroyed by damage.)
Partner (You can have two commanders if both have partner.)

Release the Dogs

Create four 1/1 white Dog creature tokens.

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.