Anax's power is equal to your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.)
Whenever Anax or another nontoken creature you control dies, create a 1/1 red Satyr creature token with "This creature can't block." If the creature had power 4 or greater, create two of those tokens instead.
* /
3
{R}{R}
Ash Zealot
Creature - Human Warrior
First strike, haste
Whenever a player casts a spell from a graveyard, Ash Zealot deals 3 damage to that player.
2 /
2
{1}{R}{R}
Chandra, Acolyte of Flame
Legendary Planeswalker - Chandra
0: Put a loyalty counter on each red planeswalker you control.
0: Create two 1/1 red Elemental creature tokens. They gain haste. Sacrifice them at the beginning of the next end step.
-2: You may cast target instant or sorcery card with mana value 3 or less from your graveyard. If that spell would be put into your graveyard, exile it instead.
L:
4
{R}
Fanatical Firebrand
Creature - Goblin Pirate
Haste
{T}, Sacrifice Fanatical Firebrand: It deals 1 damage to any target.
1 /
1
{1}{R}
Incinerate
Instant
Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.
{1}{R}{R}
Kari Zev's Expertise
Sorcery
Gain control of target creature or Vehicle until end of turn. Untap it. It gains haste until end of turn.
You may cast a spell with mana value 2 or less from your hand without paying its mana cost.
{1}{R}
Kari Zev, Skyship Raider
Legendary Creature - Human Pirate
First strike, menace
Whenever Kari Zev, Skyship Raider attacks, create Ragavan, a legendary 2/1 red Monkey creature token. Ragavan enters the battlefield tapped and attacking. Exile that token at end of combat.
1 /
3
{2}{R}
Legion Warboss
Creature - Goblin Soldier
Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
At the beginning of combat on your turn, create a 1/1 red Goblin creature token. That token gains haste until end of turn and attacks this combat if able.
2 /
2
{2}{R}
Light Up the Stage
Sorcery
Spectacle {R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)
Exile the top two cards of your library. Until the end of your next turn, you may play those cards.
{R}
Lightning Bolt
Instant
Lightning Bolt deals 3 damage to any target.
{1}{R}
Loyal Apprentice
Creature - Human Artificer
Haste
Lieutenant -- At the beginning of combat on your turn, if you control your commander, create a 1/1 colorless Thopter artifact creature token with flying. That token gains haste until end of turn.
2 /
1
{R}
Monastery Swiftspear
Creature - Human Monk
Haste
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
1 /
2
{3}{R}
Purphoros, God of the Forge
Legendary Enchantment Creature - God
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.
{2}{R}: Creatures you control get +1/+0 until end of turn.
6 /
5
{2}{R}
Rift Bolt
Sorcery
Rift Bolt deals 3 damage to any target.
Suspend 1--{R} (Rather than cast this card from your hand, you may pay {R} and exile it with a time counter on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)
{2}{R}
Skewer the Critics
Sorcery
Spectacle {R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)
Skewer the Critics deals 3 damage to any target.
{1}{R}{R}
Sulfuric Vortex
Enchantment
At the beginning of each player's upkeep, Sulfuric Vortex deals 2 damage to that player.
If a player would gain life, that player gains no life instead.
{2}{R}
Tibalt, Rakish Instigator
Legendary Planeswalker - Tibalt
Your opponents can't gain life.
-2: Create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."
L:
5
{1}{R}{R}{R}
Torbran, Thane of Red Fell
Legendary Creature - Dwarf Noble
If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.
2 /
4
{1}{R}
Young Pyromancer
Creature - Human Shaman
Whenever you cast an instant or sorcery spell, create a 1/1 red Elemental creature token.