Haste (This creature can attack and {T} as soon as it comes under your control.)

At the beginning of the end step, sacrifice Arc Runner.

Return all creature and planeswalker cards with mana value X or less from your graveyard to the battlefield. Exile Ascend from Avernus.

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

Haste (This creature can attack and {T} as soon as it comes under your control.)

At the beginning of the end step, sacrifice Ball Lightning.

Trample, haste

At the beginning of the end step, sacrifice Blistering Firecat.

Morph {R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Whenever Bruse Tarl, Boorish Herder enters the battlefield or attacks, target creature you control gains double strike and lifelink until end of turn.

Partner (You can have two commanders if both have partner.)

Discard a card: You may cast a creature spell from your graveyard this turn. Activate only once each turn.

Whenever a nontoken creature enters the battlefield under your control, if you didn't cast it from your hand, it gains haste until your next turn.

Reach

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Doom Weaver is paired with another creature, each of those creatures has "When this creature dies, draw cards equal to its power."

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

{2}{R}, {T}: Create a token that's a copy of target creature card in your graveyard, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step.

Whenever a nontoken creature enters the battlefield under your control, you may pay {R}. If you do, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.

As an additional cost to cast this spell, sacrifice a creature.

Fling deals damage equal to the sacrificed creature's power to any target.

Whenever another creature you control dies, draw a card if it was attacking. Otherwise, Garna, Bloodfist of Keld deals 1 damage to each opponent.

Trample, haste

At the beginning of the end step, sacrifice Groundbreaker.

Haktos the Unscarred attacks each combat if able.

As Haktos enters the battlefield, choose 2, 3, or 4 at random.

Haktos has protection from each mana value other than the chosen number.

Choose target creature you control. Whenever that creature deals combat damage to a player or planeswalker this turn, draw that many cards.

Trample

Whenever Ilharg, the Raze-Boar attacks, you may put a creature card from your hand onto the battlefield tapped and attacking. Return that creature to your hand at the beginning of the next end step.

When Ilharg, the Raze-Boar dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

Trample, haste

When Impetuous Devils attacks, up to one target creature defending player controls blocks it this combat if able.

At the beginning of the end step, sacrifice Impetuous Devils.

{R}, {T}, Discard a card: Create a token that's a copy of another target creature you control. It gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step. Activate only as a sorcery.

Blitz {1}{R} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

As an additional cost to cast this spell, sacrifice a creature.

Kazuul's Fury deals damage equal to the sacrificed creature's power to any target.

Kazuul's Cliffs enters the battlefield tapped.

{T}: Add {R}.

As an additional cost to cast this spell, sacrifice a creature.

Draw cards equal to the sacrificed creature's power.

Trample, haste

Whenever Lightning Skelemental deals combat damage to a player, that player discards two cards.

At the beginning of the end step, sacrifice Lightning Skelemental.

Equipped creature has flying and lifelink.

Whenever equipped creature dies, you may pay X life, where X is its power. If you do, draw X cards.

Equip {3}

Whenever you attack, double target creature's power until end of turn.

Whenever Mycoid Shepherd or another creature you control with power 5 or greater dies, you may gain 5 life.

Flying, trample

When Orcus, Prince of Undeath enters the battlefield, choose one --

• Each other creature gets -X/-X until end of turn. You lose X life.

• Return up to X target creature cards with total mana value X or less from your graveyard to the battlefield. They gain haste until end of turn.

Converge -- You draw X cards and you lose X life, where X is the number of colors of mana spent to cast this spell.

Trample

Whenever one or more creatures you control with trample deal combat damage to a player, create an X/X green Dinosaur Beast creature token with trample, where X is the amount of damage those creatures dealt to that player.

Draw cards equal to the greatest power among creatures you control.

You may cast a spell with mana value 5 or less from your hand without paying its mana cost.

Haste

Whenever Rubblebelt Rioters attacks, it gets +X/+0 until end of turn, where X is the greatest power among creatures you control.

Vigilance, haste

As Saskia the Unyielding enters the battlefield, choose a player.

Whenever a creature you control deals combat damage to a player, it deals that much damage to the chosen player.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

{R}: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

{T}: Add three mana of any one color. Spend this mana only to cast creature spells.

Trample, lifelink, haste

At the beginning of the end step, sacrifice Spark Trooper.

Haste

Whenever another creature you control dies, it deals damage equal to its power to target player or planeswalker.

Blitz--{2}{B}{B}, Pay 2 life. (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

You may cast Tenacious Underdog from your graveyard using its blitz ability.

Flying

Spells your opponents cast that target Terror of the Peaks cost an additional 3 life to cast.

Whenever another creature enters the battlefield under your control, Terror of the Peaks deals damage equal to that creature's power to any target.

Haste

Thunderblust has trample as long as it has a -1/-1 counter on it.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Haste

Whenever Thunderkin Awakener attacks, choose target Elemental creature card in your graveyard with toughness less than Thunderkin Awakener's toughness. Return that card to the battlefield tapped and attacking. Sacrifice it at the beginning of the next end step.

Whenever a creature enters the battlefield under your control, it deals damage equal to its power to any target.

Flying

At the beginning of your end step, you may sacrifice another creature. When you do, Ziatora, the Incinerator deals damage equal to that creature's power to any target and you create three Treasure tokens.

Haste

Zurgo Helmsmasher attacks each combat if able.

Zurgo Helmsmasher has indestructible as long as it's your turn.

Whenever a creature dealt damage by Zurgo Helmsmasher this turn dies, put a +1/+1 counter on Zurgo Helmsmasher.