Flying Whenever an opponent casts a spell, put a +1/+1 counter on Ishai, Ojutai Dragonspeaker. Partner (You can have two commanders if both have partner.)

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

You may have Clever Impersonator enter the battlefield as a copy of any nonland permanent on the battlefield.

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.

Choose up to two target creatures you don't control. For each of those creatures, create a token that's a copy of that creature. Those tokens gain haste. Exile them 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 nontoken creature enters the battlefield under your control, you may pay {2}. If you do, create a token that's a copy of that creature, except it has haste and "At the beginning of the end step, sacrifice this permanent."

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.

You may have Progenitor Mimic enter the battlefield as a copy of any creature on the battlefield, except it has "At the beginning of your upkeep, if this creature isn't a token, create a token that's a copy of this creature."

Kicker {5} (You may pay an additional {5} as you cast this spell.) Create a token that's a copy of target creature. If this spell was kicked, create five of those tokens instead.

Create a token that's a copy of target creature. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Creature tokens you control have haste. At the beginning of combat on your turn, create a 2/1 blue Phyrexian Myr artifact creature token. Then you may choose a token you control. If you do, each other token you control becomes a copy of that token.

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Hangarback Walker enters the battlefield with X +1/+1 counters on it. When Hangarback Walker dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker. {1}, {T}: Put a +1/+1 counter on Hangarback Walker.

({U/P} can be paid with either {U} or 2 life.) You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

Whenever Scaretiller becomes tapped, choose one — • You may put a land card from your hand onto the battlefield tapped. • Return target land card from your graveyard to the battlefield tapped.

At the beginning of each player's end step, that player draws a card. If the player is your opponent and has four or more cards in hand, Fevered Visions deals 2 damage to that player.

Exile the top three cards of your library. Until the end of your next turn, you may play those cards. If this spell was cast from a graveyard, you may play cards this way without paying their mana costs. Flashback {7}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

When Aether Hub enters the battlefield, you get {E} (an energy counter). {T}: Add {C}. {T}, Pay {E}: Add one mana of any color.

{T}: Add {C}. {G}{U}, {T}: You may cast spells this turn as though they had flash.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

{T}: Add one mana of any color in your commander's color identity.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Add {C}. {2}, {T}, Sacrifice Field of Ruin: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles.

({T}: Add {G}.)

{T}: Add {C}. {5}, {T}, Sacrifice Foundry of the Consuls: Create two 1/1 colorless Thopter artifact creature tokens with flying.

Frontier Bivouac enters the battlefield tapped. {T}: Add {G}, {U}, or {R}.

Gateway Plaza enters the battlefield tapped. When Gateway Plaza enters the battlefield, sacrifice it unless you pay {1}. {T}: Add one mana of any color.

{T}: Add {R}.

Halimar Depths enters the battlefield tapped. When Halimar Depths enters the battlefield, look at the top three cards of your library, then put them back in any order. {T}: Add {U}.

Highland Lake enters the battlefield tapped. {T}: Add {U} or {R}.

({T}: Add {U}.)

Izzet Boilerworks enters the battlefield tapped. When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand. {T}: Add {U}{R}.

Izzet Guildgate enters the battlefield tapped. {T}: Add {U} or {R}.

Jungle Shrine enters the battlefield tapped. {T}: Add {R}, {G}, or {W}.

Krosan Verge enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Krosan Verge: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.

({T}: Add {R}.)

Mystic Monastery enters the battlefield tapped. {T}: Add {U}, {R}, or {W}.

({T}: Add {W}.)

Rupture Spire enters the battlefield tapped. When Rupture Spire enters the battlefield, sacrifice it unless you pay {1}. {T}: Add one mana of any color.

Seaside Citadel enters the battlefield tapped. {T}: Add {G}, {W}, or {U}.

{T}: Add {U}.

{T}: Add {C}. {T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

{T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

Spirebluff Canal enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {U} or {R}.

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain. {T}: Add {U} or {R}.

Swiftwater Cliffs enters the battlefield tapped. When Swiftwater Cliffs enters the battlefield, you gain 1 life. {T}: Add {U} or {R}.

Temple of Epiphany enters the battlefield tapped. When Temple of Epiphany enters the battlefield, scry 1. {T}: Add {U} or {R}.

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

Creatures you control have "{T}: Add one mana of any color."

When Dockside Extortionist enters the battlefield, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control. (Treasure tokens are artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

{T}: Add one mana of any color that a land an opponent controls could produce.

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)

{1}, {T}: Add {U}{R}.

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

{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.

{T}: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield.

Destroy all enchantments.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Return target nonland permanent you don't control to its owner's hand. Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Tap two untapped artifacts you control: Ghirapur Aether Grid deals 1 damage to any target.

Tap an untapped creature you control: Tap target artifact or creature.

Target player returns each commander they control from the battlefield to the command zone. Draw a card.

Magmaquake deals X damage to each creature without flying and each planeswalker.

{2}{U}, {T}: Put target creature on the bottom of its owner's library. That creature's controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield and the rest on the bottom of their library in any order. Activate only as a sorcery.

Flying (This creature can't be blocked except by creatures with flying or reach.) When Aspiring Aeronaut enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying.

When Aviation Pioneer enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying.

Flying When Experimental Aviator enters the battlefield, create two 1/1 colorless Thopter artifact creature tokens with flying.

Flying Whenever a nontoken creature enters the battlefield under an opponent's control, create a token that's a copy of that creature except it's an artifact in addition to its other types. Then exile all other tokens created with Faerie Artisans.

When Ghirapur Gearcrafter enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying. (A creature with flying can't be blocked except by creatures with flying or reach.)

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.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) When Maverick Thopterist enters the battlefield, create two 1/1 colorless Thopter artifact creature tokens with flying.

When Pia and Kiran Nalaar enters the battlefield, create two 1/1 colorless Thopter artifact creature tokens with flying. {2}{R}, Sacrifice an artifact: Pia and Kiran Nalaar deals 2 damage to any target.

When Pia Nalaar enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying. {1}{R}: Target artifact creature gets +1/+0 until end of turn. {1}, Sacrifice an artifact: Target creature can't block this turn.

{3}: Untap Retrofitter Foundry. {2}, {T}: Create a 1/1 colorless Servo artifact creature token. {1}, {T}, Sacrifice a Servo: Create a 1/1 colorless Thopter artifact creature token with flying. {T}, Sacrifice a Thopter: Create a 4/4 colorless Construct artifact creature token.

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying. {1}{U}, Sacrifice two artifacts: Draw a card.

When Thopter Engineer enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying. Artifact creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

When Whirler Rogue enters the battlefield, create two 1/1 colorless Thopter artifact creature tokens with flying. Tap two untapped artifacts you control: Target creature can't be blocked this turn.