Mountain

Rage Thrower

Whenever another creature dies, this creature deals 2 damage to target player or planeswalker.

Scourge of Geier Reach

This creature gets +1/+1 for each creature your opponents control.

Wildblood Pack

Trample
Attacking creatures you control get +3/+0.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.

Instigator Gang

Attacking creatures you control get +1/+0.
At the beginning of each upkeep, if no spells were cast last turn, transform this creature.

Instigator Gang // Wildblood Pack

Curse of the Pierced Heart

Enchant player
At the beginning of enchanted player's upkeep, this Aura deals 1 damage to that player or a planeswalker that player controls.

Riot Devils

Geistflame

Geistflame deals 1 damage to any target.
Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Krallenhorde Wantons

At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.

Grizzled Outcasts

At the beginning of each upkeep, if no spells were cast last turn, transform this creature.

Grizzled Outcasts // Krallenhorde Wantons

Orchard Spirit

This creature can't be blocked except by creatures with flying or reach.

Ambush Viper

Heretic's Punishment

{3}{R}: Choose any target, then mill three cards. This enchantment deals damage to that permanent or player equal to the greatest mana value among the milled cards.

Gatstaf Howler

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.

Gatstaf Shepherd

Gatstaf Shepherd // Gatstaf Howler

Travel Preparations

Put a +1/+1 counter on each of up to two target creatures.
Flashback {1}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Graveyard Shovel

{2}, {T}: Target player exiles a card from their graveyard. If it's a creature card, you gain 2 life.

Trepanation Blade

Whenever equipped creature attacks, defending player reveals cards from the top of their library until they reveal a land card. The creature gets +1/+0 until end of turn for each card revealed this way. That player puts the revealed cards into their graveyard.
Equip {2}

Ironfang

First strike
At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.

Village Ironsmith

First strike
At the beginning of each upkeep, if no spells were cast last turn, transform this creature.

Village Ironsmith // Ironfang

Feral Ridgewolf

Trample
{1}{R}: This creature gets +2/+0 until end of turn.

Creeping Renaissance

Choose a permanent type. Return all cards of the chosen type from your graveyard to your hand.
Flashback {5}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Grave Bramble

Avacyn's Pilgrim

Naturalize

Forest

Terror of Kruin Pass

Double strike
Werewolves you control have menace. (A creature with menace can't be blocked except by two or more creatures.)
At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.

Kruin Outlaw

Kruin Outlaw // Terror of Kruin Pass

Cellar Door

{3}, {T}: Target player puts the bottom card of their library into their graveyard. If it's a creature card, you create a 2/2 black Zombie creature token.