Howlgeist

Creatures with power less than Howlgeist'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.)

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.

Wandering Wolf

Creatures with power less than Wandering Wolf's power can't block it.

Atarka's Command

Choose two —
• Your opponents can't gain life this turn.
• Atarka's Command deals 3 damage to each opponent.
• You may put a land card from your hand onto the battlefield.
• Creatures you control get +1/+1 and gain reach until end of turn.

Pyreheart Wolf

Whenever Pyreheart Wolf attacks, creatures you control gain menace until end of turn. (They can't be blocked except by two or more creatures.)
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.)

Spirit of the Hunt

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

Quilled Wolf

{5}{G}: Quilled Wolf gets +4/+4 until end of 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.)

Ferocious Pup

When Ferocious Pup enters the battlefield, create a 2/2 green Wolf creature token.

Kessig Wolf

{1}{R}: Kessig Wolf gains first strike until end of turn.

Branching Bolt

Choose one or both —
• Branching Bolt deals 3 damage to target creature with flying.
• Branching Bolt deals 3 damage to target creature without flying.

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.

Raised by Wolves

Enchant creature
When Raised by Wolves enters the battlefield, create two 2/2 green Wolf creature tokens.
Enchanted creature gets +1/+1 for each Wolf you control.

Darkthicket Wolf

{2}{G}: Darkthicket Wolf gets +2/+2 until end of turn. Activate only once each turn.

Pit Fight

Target creature you control fights another target creature. (Each deals damage equal to its power to the other.)

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.)

Arlinn, Voice of the Pack

Each creature you control that's a Wolf or a Werewolf enters the battlefield with an additional +1/+1 counter on it.
−2: Create a 2/2 green Wolf creature token.