Riftstone Portal

{T}: Add {C}.
As long as this card is in your graveyard, lands you control have "{T}: Add {G} or {W}."

Predator's Howl

Create a 2/2 green Wolf creature token.
Morbid — Create three 2/2 green Wolf creature tokens instead if a creature died this turn.

Xenograft

As this enchantment enters, choose a creature type.
Each creature you control is the chosen type in addition to its other types.

Mystic Monastery

This land enters tapped.
{T}: Add {U}, {R}, or {W}.

Nomad Outpost

This land enters tapped.
{T}: Add {R}, {W}, or {B}.

Icon of Ancestry

As this artifact enters, choose a creature type.
Creatures you control of the chosen type get +1/+1.
{3}, {T}: Look at the top three cards of your library. You may reveal a creature card of the chosen type from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Howlpack Resurgence

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

Tundra Wolves

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

Howling Giant

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

Scourge Wolf

First strike
Delirium — This creature has double strike as long as there are four or more card types among cards in your graveyard.

Seaside Citadel

This land enters tapped.
{T}: Add {G}, {W}, or {U}.

Benalish Marshal

Arcane Sanctum

This land enters tapped.
{T}: Add {W}, {U}, or {B}.

Crumbling Necropolis

This land enters tapped.
{T}: Add {U}, {B}, or {R}.

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.

Sandsteppe Citadel

This land enters tapped.
{T}: Add {W}, {B}, or {G}.

Krosan Verge

This land enters tapped.
{T}: Add {C}.
{2}, {T}, Sacrifice this land: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.

Spear of Heliod

Creatures you control get +1/+1.
{1}{W}{W}, {T}: Destroy target creature that dealt damage to you this turn.

Mentor of the Meek

Whenever another creature you control with power 2 or less enters, you may pay {1}. If you do, draw a card.

Savage Lands

This land enters tapped.
{T}: Add {B}, {R}, or {G}.

Lupine Prototype

This creature can't attack or block unless a player has no cards in hand.

Wolfbriar Elemental

Multikicker {G} (You may pay an additional {G} any number of times as you cast this spell.)
When this creature enters, create a 2/2 green Wolf creature token for each time it was kicked.

God-Eternal Oketra

Double strike
Whenever you cast a creature spell, create a 4/4 black Zombie Warrior creature token with vigilance.
When God-Eternal Oketra dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

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.

Tolsimir, Friend to Wolves

When Tolsimir enters, create Voja, Friend to Elves, a legendary 3/3 green and white Wolf creature token.
Whenever a Wolf you control enters, you gain 3 life and that creature fights up to one target creature you don't control.

Frontier Bivouac

This land enters tapped.
{T}: Add {G}, {U}, or {R}.

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.