Stormbreath Dragon

Fanatic of Mogis

Creature — Minotaur Shaman (4/2)

When Fanatic of Mogis enters the battlefield, it deals damage to each opponent equal to your devotion to red. (Each in the mana costs of permanents you control counts toward your devotion to red.)

Stoneshock Giant

Creature — Giant (5/4)

: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
When Stoneshock Giant becomes monstrous, creatures without flying your opponents control can't block this turn.

Ember Swallower

Creature — Elemental (4/5)

: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
When Ember Swallower becomes monstrous, each player sacrifices three lands.

Purphoros, God of the Forge

Legendary Enchantment Creature — God (6/5)

Indestructible
As long as your devotion to red is less than five, Purphoros isn't a creature.
Whenever another creature enters the battlefield under your control, Purphoros deals 2 damage to each opponent.
: Creatures you control get +1/+0 until end of turn.

Polis Crusher

Creature — Cyclops (4/4)

Trample, protection from enchantments
: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
Whenever Polis Crusher deals combat damage to a player, if Polis Crusher is monstrous, destroy target enchantment that player controls.

Ill-Tempered Cyclops

Creature — Cyclops (3/3)

Trample
: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

Labyrinth Champion

Creature — Human Warrior (2/2)

Heroic — Whenever you cast a spell that targets Labyrinth Champion, Labyrinth Champion deals 2 damage to any target.

Polukranos, World Eater

Legendary Creature — Hydra (5/5)

: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)
When Polukranos, World Eater becomes monstrous, it deals X damage divided as you choose among any number of target creatures your opponents control. Each of those creatures deals damage equal to its power to Polukranos.

Purphoros's Emissary

Enchantment Creature — Ox (3/3)

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Menace (This creature can't be blocked except by two or more creatures.)
Enchanted creature gets +3/+3 and has menace.

Titan of Eternal Fire

Creature — Giant (5/6)

Each Human creature you control has ", : This creature deals 1 damage to any target."

Arbor Colossus

Creature — Giant (6/6)

Reach
: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
When Arbor Colossus becomes monstrous, destroy target creature with flying an opponent controls.

Wild Celebrants

Creature — Satyr (5/3)

When Wild Celebrants enters the battlefield, you may destroy target artifact.

Borderland Minotaur

Creature — Minotaur Warrior (4/3)

Underworld Cerberus

Creature — Dog (6/6)

Underworld Cerberus can't be blocked except by three or more creatures.
Cards in graveyards can't be the targets of spells or abilities.
When Underworld Cerberus dies, exile it and each player returns all creature cards from their graveyard to their hand.

Keepsake Gorgon

Creature — Gorgon (2/5)

Deathtouch
: Monstrosity 1. (If this creature isn't monstrous, put a +1/+1 counter on it and it becomes monstrous.)
When Keepsake Gorgon becomes monstrous, destroy target non-Gorgon creature an opponent controls.

Kragma Warcaller

Creature — Minotaur Warrior (2/3)

Minotaur creatures you control have haste.
Whenever a Minotaur you control attacks, it gets +2/+0 until end of turn.

Sealock Monster

Creature — Octopus (5/5)

Sealock Monster can't attack unless defending player controls an Island.
: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
When Sealock Monster becomes monstrous, target land becomes an Island in addition to its other types.

Shipbreaker Kraken

Creature — Kraken (6/6)

: Monstrosity 4. (If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous.)
When Shipbreaker Kraken becomes monstrous, tap up to four target creatures. Those creatures don't untap during their controllers' untap steps for as long as you control Shipbreaker Kraken.

Hythonia the Cruel

Legendary Creature — Gorgon (4/6)

Deathtouch
: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
When Hythonia the Cruel becomes monstrous, destroy all non-Gorgon creatures.

Disciple of Phenax

Creature — Human Cleric (1/3)

When Disciple of Phenax enters the battlefield, target player reveals a number of cards from their hand equal to your devotion to black. You choose one of them. That player discards that card. (Each in the mana costs of permanents you control counts toward your devotion to black.)