As Ashling's Prerogative enters the battlefield, choose odd or even. (Zero is even.)

Each creature with mana value of the chosen quality has haste.

Each creature without mana value of the chosen quality enters the battlefield tapped.

Choose target creature. Roll X six-sided dice. For each even result, put two -1/-1 counters on that creature. For each odd result, create a 1/2 blue Bird creature token with flying named Storm Crow.

Barrage of Boulders deals 1 damage to each creature you don't control.

Ferocious -- If you control a creature with power 4 or greater, creatures can't block this turn.

As Belbe's Portal enters the battlefield, choose a creature type.

{3}, {T}: You may put a creature card of the chosen type from your hand onto the battlefield.

Flash

Enchant creature

At the beginning of your upkeep, you lose 1 life.

{0}: Regenerate enchanted creature.

{1}, {T}: Blisterspit Gremlin deals 1 damage to each opponent.

Whenever you cast a noncreature spell, untap Blisterspit Gremlin.

Brimstone Volley deals 3 damage to any target.

Morbid -- Brimstone Volley deals 5 damage instead if a creature died this turn.

Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 counters on it.)

When Caldera Hellion enters the battlefield, it deals 3 damage to each creature.

Haste

When Chandra's Firemaw enters the battlefield, you may search your library and/or graveyard for a card named Chandra, Flame's Catalyst, reveal it, and put it into your hand. If you search your library this way, shuffle.

Chandra's Fury deals 4 damage to target player or planeswalker and 1 damage to each creature that player or that planeswalker's controller controls.

+1: Chandra, Flame's Catalyst deals 3 damage to each opponent.

-2: You may cast target red instant or sorcery card from your graveyard. If that spell would be put into your graveyard, exile it instead.

-8: Discard your hand, then draw seven cards. Until end of turn, you may cast spells from your hand without paying their mana costs.

When Chaos Maw enters the battlefield, it deals 3 damage to each other creature.

Trample

When Cinder Hellion enters the battlefield, it deals 2 damage to target opponent or planeswalker.

{T}: Cinder Pyromancer deals 1 damage to target player or planeswalker.

Whenever you cast a red spell, you may untap Cinder Pyromancer.

When Clown Car enters the battlefield, roll X six-sided dice. For each odd result, create a 1/1 white Clown Robot artifact creature token. For each even result, put a +1/+1 counter on Clown Car.

Crew 2

Cone of Flame deals 1 damage to any target, 2 damage to another target, and 3 damage to a third target.

Echo {4}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Crater Hellion enters the battlefield, it deals 4 damage to each other creature.

{T}: Add {C}.

{1}, {T}: Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.

As Devouring Hellion enters the battlefield, you may sacrifice any number of creatures and/or planeswalkers. If you do, it enters with twice that many +1/+1 counters on it.

Destroy target nonblack creature.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

If another red source you control would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead.

Choose odd or even. Exile each creature with mana value of the chosen quality. (Zero is even.)

Equipped creature gets +2/+0 and has reach.

Whenever equipped creature is dealt damage, it deals damage equal to its power to target player or planeswalker.

Equip {2}{R}

Haste

Flameborn Hellion attacks each combat if able.

Haste

{0}: Flowstone Hellion gets +1/-1 until end of turn.

Enchant land

Enchanted land has "{T}: Target creature gains trample and haste until end of turn."

Cycling {1} ({1}, Discard this card: Draw a card.)

{T}: Add {C}.

{1}{R}, {T}: Put a pressure counter on Hellion Crucible.

{1}{R}, {T}, Remove two pressure counters from Hellion Crucible and sacrifice it: Create a 4/4 red Hellion creature token with haste. (It can attack and {T} as soon as it comes under your control.)

Sacrifice all creatures you control, then create that many 4/4 red Hellion creature tokens.

Whenever another creature dies, you may have Hissing Iguanar deal 1 damage to target player or planeswalker.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

At the beginning of each end step, if Inferno Hellion attacked or blocked this turn, its owner shuffles it into their library.

Haste

Iron-Barb Hellion can't block.

Haste

When Lathnu Hellion enters the battlefield, you get {E}{E} (two energy counters).

At the beginning of your end step, sacrifice Lathnu Hellion unless you pay {E}{E}.

Assist (Another player can pay up to {6} of this spell's cost.)

Trample, haste

This spell costs {X} less to cast, where X is the greatest power among creatures you control.

Trample

Companion -- Your starting deck contains only cards with odd mana values and land cards. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)

If a source you control with an odd mana value would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

When Pyroclastic Hellion enters the battlefield, you may return a land you control to its owner's hand. When you do, Pyroclastic Hellion deals 2 damage to each opponent.

Whenever Scorch Spitter attacks, it deals 1 damage to the player or planeswalker it's attacking.

Choose three target creature cards in your graveyard. Return two of them at random to the battlefield and put the other on the bottom of your library.

Trample

Landfall -- Whenever a land enters the battlefield under your control, Skyclave Geopede gets +2/+2 until end of turn.

Haste

Whenever Tectonic Hellion attacks, each player who controls the most lands sacrifices two lands.

Volcano Hellion has echo {X}, where X is your life total. (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Volcano Hellion enters the battlefield, it deals an amount of damage of your choice to you and target creature. The damage can't be prevented.