Trample, haste

At the beginning of the end step, Blitz Hellion's owner shuffles it into their library.

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.

Trample

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

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.

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.

Haste

Flameborn Hellion attacks each combat if able.

Haste

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

Vigilance (Attacking doesn't cause this creature to tap.)

Wither (This deals damage to creatures in the form of -1/-1 counters.)

: Add .

, : Put a pressure counter on Hellion Crucible.

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

For each player, Incite Rebellion deals damage to that player and each creature that player controls equal to the number of creatures they control.

Haste

Iron-Barb Hellion can't block.

+1: Create a 3/3 Kavu creature token with trample that's all colors.

−3: Choose up to two target creatures. For each of them, put a number of +1/+1 counters on it equal to the number of colors it is.

−6: Return target multicolored card from your graveyard to your hand. If that card was all colors, draw a card and create two Treasure tokens.

Jared Carthalion can be your commander.

Whenever you cast a multicolored spell, scry 1. If that spell was all colors, create a 4/4 white Angel creature token with flying and vigilance.

, : Add .

Jungle Lion can't block.

: Exile target card from a graveyard. If it was a permanent card, put a +1/+1 counter on Lion Sash.

Equipped creature gets +1/+1 for each +1/+1 counter on Lion Sash.

Reconfigure (: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Discard your hand, Sacrifice Lion's Eye Diamond: Add three mana of any one color. Activate only as an instant.

, , Discard two cards: Destroy all creatures except for Mageta the Lion. Those creatures can't be regenerated.

Battalion — Whenever Makeshift Battalion and at least two other creatures attack, put a +1/+1 counter on Makeshift Battalion.

Whenever Mtenda Lion attacks, defending player may pay . If that player does, prevent all combat damage that would be dealt by Mtenda Lion this turn.

Flying, first strike, vigilance

Whenever Parhelion II attacks, create two 4/4 white Angel creature tokens with flying and vigilance that are attacking.

Crew 4 (Tap any number of creatures you control with total power 4 or more: This Vehicle becomes an artifact creature until end of turn.)

White spells you cast cost less to cast.

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.

Reach

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

Blue spells you cast cost less to cast.

: Put a -1/-1 counter on Serrated Biskelion and a -1/-1 counter on target creature.

Trample, haste

When Skitterbeam Battalion enters the battlefield, if you cast it, create two tokens that are copies of it.

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

2/2

Whenever you cast your first spell during each opponent's turn, you may tap or untap target nonland permanent.

Cast this spell only if you've cast another green spell this turn.

Trample

Flying

Whenever you attack with one or more Faeries, draw a card, then discard a card. When you discard a card this way, put a +1/+1 counter on target Faerie you control.

Triskelion enters the battlefield with three +1/+1 counters on it.

Remove a +1/+1 counter from Triskelion: It deals 1 damage to any target.

Volcano Hellion has echo , 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.