Mantle of the Wolf

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

Balduvian Bears

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.)

Wolf Pack

You may have Wolf Pack assign its combat damage as though it weren't blocked.

Durkwood Boars

Killer Bees

Flying
{G}: Killer Bees gets +1/+1 until end of turn.

Lone Wolf

You may have Lone Wolf assign its combat damage as though it weren't blocked.

Forest Bear

Grizzly Bears

Mountain Goat

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Zodiac Goat

Howling Wolf

When Howling Wolf enters, you may search your library for up to three cards named Howling Wolf, reveal them, put them into your hand, then shuffle.

Tundra Wolves

First strike (This creature deals combat damage before creatures without first strike.)

Bearscape

{1}{G}, Exile two cards from your graveyard: Create a 2/2 green Bear creature token.

Foxfire

Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.
Draw a card at the beginning of the next turn's upkeep.

Crashing Boars

Whenever Crashing Boars attacks, defending player chooses an untapped creature they control. That creature blocks Crashing Boars this turn if able.

Brawl

Until end of turn, all creatures gain "{T}: This creature deals damage equal to its power to target creature."

River Bear

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Pale Bears

Bear Cub

Mazzy, Truesword Paladin

Whenever an enchanted creature attacks one of your opponents, it gets +2/+0 and gains trample until end of turn.
Whenever an Aura you control is put into your graveyard from the battlefield, exile it. Until the end of your next turn, you may cast that card.

Bounding Wolf

Aspect of Wolf

Enchant creature
Enchanted creature gets +X/+Y, where X is half the number of Forests you control, rounded down, and Y is half the number of Forests you control, rounded up.

Heart Wolf

First strike
{T}: Target Dwarf creature gets +2/+0 and gains first strike until end of turn. When that creature leaves the battlefield this turn, sacrifice Heart Wolf. Activate only during combat.

Throat Wolf

You may cast Throat Wolf during an opponent's combat phase.
Firstest strike (This creature deals combat damage to creatures before creatures with first strike.)
After each opponent's first combat phase of each turn, there is an additional combat phase. Only Throat Wolf can attack during that combat phase.

Wolf Strike

Target creature you control gets +2/+0 until end of turn if it's night. Then it deals damage equal to its power to target creature you don't control.

Golden Bear

Watchwolf

Wyluli Wolf

{T}: Target creature gets +1/+1 until end of turn.

Wolfwillow Haven

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G}.
{4}{G}, Sacrifice Wolfwillow Haven: Create a 2/2 green Wolf creature token. Activate only during your turn.