First strike

{T}: Add an amount of {R} equal to the greatest power among creatures you control that entered the battlefield this turn.

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

Equipped creature has myriad. (Whenever it attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Equip {4}

This spell costs {3} less to cast if you control a creature with power 4 or greater.

Change the target of target spell or ability with a single target.

{T}: Choose any number of target creatures. Each of those creatures gains persist until end of turn. (When it 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.)

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

First strike

When Combustible Gearhulk enters the battlefield, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then Combustible Gearhulk deals damage to that player equal to the total mana value of those cards.

{T}: Add {C}.

{T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

Enchant player

Whenever enchanted player is attacked, create a Gold token. Each opponent attacking that player does the same. (A Gold token is an artifact with "Sacrifice this artifact: Add one mana of any color.")

{T}: Add {R}.

As Cursed Mirror enters the battlefield, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

Whenever Delina, Wild Mage attacks, choose target creature you control, then roll a d20.

1--14 | Create a tapped and attacking token that's a copy of that creature, except it's not legendary and it has "At end of combat, exile this creature."

15--20 | Create one of those tokens. You may roll again.

Flash

When Dualcaster Mage enters the battlefield, copy target instant or sorcery spell. You may choose new targets for the copy.

({T}: Add {R}.)

Dwarven Mine enters the battlefield tapped unless you control three or more other Mountains.

When Dwarven Mine enters the battlefield untapped, create a 1/1 red Dwarf creature token.

When Emberwilde Captain enters the battlefield, you become the monarch.

Whenever an opponent attacks you while you're the monarch, Emberwilde Captain deals damage to that player equal to the number of cards in their hand.

{T}: Add {C}.

{2}, {T}: Exile target creature you control.

{4}, {T}, Sacrifice Endless Sands: Return each creature card exiled with Endless Sands to the battlefield under its owner's control.

Trample

When Etali, Primal Conqueror enters the battlefield, each player exiles cards from the top of their library until they exile a nonland card. You may cast any number of spells from among the nonland cards exiled this way without paying their mana costs.

{9}{G/P}: Transform Etali. Activate only as a sorcery.

Trample, indestructible

Whenever Etali, Primal Sickness deals combat damage to a player, they get that many poison counters. (A player with ten or more poison counters loses the game.)

When Exhibition Magician enters the battlefield, choose one --

• Create a 1/1 green and white Citizen creature token.

• Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

{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.

Enthralling Performance -- When Firbolg Flutist enters the battlefield, gain control of target creature you don't control until end of turn. Untap it. It gains haste and myriad until end of turn. (Whenever it attacks, for each opponent other than defending player, you may create a token that's a copy of that creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

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.

Whenever Golden Argosy attacks, exile each creature that crewed it this turn. Return them to the battlefield tapped under their owner's control at the beginning of the next end step.

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Create a token that's a copy of target creature, except it has haste and "At the beginning of the end step, exile this permanent."

Flying

When Hellkite Courser enters the battlefield, you may put a commander you own from the command zone onto the battlefield. It gains haste. Return it to the command zone at the beginning of the next end step.

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste.

Equip {5}

Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.

{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.)

{X}{R}, {T}: Jiwari, the Earth Aflame deals X damage to target creature without flying.

Channel -- {X}{R}{R}{R}, Discard Jiwari: Jiwari deals X damage to each creature without flying.

{T}: Create X 1/1 red Goblin creature tokens, where X is the number of Goblins you control.

First strike, trample, haste

Whenever Life of the Party attacks, it gets +X/+0 until end of turn, where X is the number of creatures you control.

When Life of the Party enters the battlefield, if it's not a token, each opponent creates a token that's a copy of it. The tokens are goaded for the rest of the game. (They attack each combat if able and attack a player other than you if able.)

Lightning Bolt deals 3 damage to any target.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy.

{3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

{4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)

Add {R} for each tapped land your opponents control.

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

The "legend rule" doesn't apply to permanents you control.

Each legendary creature you control gets +1/+1.

Each nontoken creature you control gets +1/+1 for each other creature you control with the same name as that creature.

Whenever a nontoken creature enters the battlefield under your control, flip a coin until you lose a flip. For each flip you won, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

Mirrorpool enters the battlefield tapped.

{T}: Add {C}.

{2}{C}, {T}, Sacrifice Mirrorpool: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

{4}{C}, {T}, Sacrifice Mirrorpool: Create a token that's a copy of target creature you control.

As Molten Echoes enters the battlefield, choose a creature type.

Whenever a nontoken creature of the chosen type enters the battlefield under your control, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.

Haste

When Molten Primordial enters the battlefield, for each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain haste until end of turn.

({T}: Add {R}.)

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{1}{R}{R}: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after Obsidian Fireheart has left the battlefield.)

{1}{R}, {T}: Create a token that's a copy of another target creature you control. It gains haste. Sacrifice it at the beginning of the next end step. Activate only as a sorcery.

{6}{R}{R}{R}, {T}: Create five tokens that are copies of another target creature you control. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.

If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

When Plundering Barbarian enters the battlefield, choose one --

• Smash the Chest -- Destroy target artifact.

• Pry It Open -- Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Flying

Fire Breath -- When Red Dragon enters the battlefield, it deals 4 damage to each opponent.

Equipped creature has lifelink.

Whenever equipped creature dies, return that card to the battlefield under its owner's control at the beginning of the next end step.

Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)

Copy target instant or sorcery spell. You may choose new targets for the copy.

At the beginning of combat on your turn, create X tokens that are copies of another target creature you control, where X is one plus the number of instant and sorcery spells you've cast this turn. They gain haste. Exile them at the beginning of the next end step.

Alliance -- Whenever another creature enters the battlefield under your control, create a Treasure token if this is the first or second time this ability has resolved this turn. Otherwise, you may pay {X}. When you do, Rose Room Treasurer deals X damage to any target.

Whenever you cast a red spell, if Runaway Steam-Kin has fewer than three +1/+1 counters on it, put a +1/+1 counter on Runaway Steam-Kin.

Remove three +1/+1 counters from Runaway Steam-Kin: Add {R}{R}{R}.

Add {R}{R}{R}{R}{R}.

Each opponent chooses fame or fortune. For each player who chose fame, gain control of a creature that player controls until end of turn. Untap those creatures and they gain haste until end of turn. For each player who chose fortune, you draw a card and create a Treasure token.

{T}: Add {C}{C}.

Flying

When Spawn of Thraxes enters the battlefield, it deals damage to any target equal to the number of Mountains you control.

Enchant creature

Enchanted creature has "{T}: Create a token that's a copy of this creature, except it has haste. Exile that token at the beginning of the next end step."

When Stadium Vendors enters the battlefield, choose a player. That player adds two mana of any one color they choose.

Raid -- When Storm Fleet Arsonist enters the battlefield, if you attacked this turn, target opponent sacrifices a permanent.

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

Whenever Tectonic Giant attacks or becomes the target of a spell an opponent controls, choose one --

• Tectonic Giant deals 3 damage to each opponent.

• Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.

Flying

At the beginning of your upkeep, if you control no Thopters other than Thopter Assembly, return Thopter Assembly to its owner's hand and create five 1/1 colorless Thopter artifact creature tokens with flying.

At the beginning of your end step, each opponent loses life equal to the number of tapped creatures you control.

Strive -- This spell costs {2}{R} more to cast for each target beyond the first.

Choose any number of target creatures you control. For each of them, create a token that's a copy of that creature, except it has haste. Exile those tokens at the beginning of the next end step.

{2}, Sacrifice Voyager Staff: Exile target creature. Return the exiled card to the battlefield under its owner's control at the beginning of the next end step.

Alliance -- Whenever another creature enters the battlefield under your control, Witty Roastmaster deals 1 damage to each opponent.