Whenever this creature deals combat damage to a player, you get that many {E}. At the beginning of combat on your turn, you may pay {E}{E}. When you do, this creature becomes a copy of another target creature you control, except it has this ability and "Whenever this creature deals combat damage to a player, you get that many {E}."

{T}: Add {C}. {1}{U}, {T}: Put target artifact card from your graveyard on top of your library.

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

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

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

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

{T}: Add {C}. {G/U}, {T}: Add {G}{G}, {G}{U}, or {U}{U}.

({T}: Add {G}.)

This land enters tapped. {T}: Add {G}, {U}, or {R}.

As this land enters, you may reveal an Island or Mountain card from your hand. If you don't, this land enters tapped. {T}: Add {U} or {R}.

{T}: Add {C}. {1}, {T}: You get {E} (an energy counter). {3}, {T}, Pay X {E}, Sacrifice this land: Destroy target nonland permanent with mana value X. Activate only as a sorcery.

This land enters tapped unless you control a Forest or an Island. {T}: Add {G} or {U}.

({T}: Add {U}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{R}.

{T}: Add {C}. {T}: Add {R} or {G}. This land deals 1 damage to you.

({T}: Add {R}.)

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

This land enters tapped unless you control a Mount or Vehicle. {T}: Add {U}. {1}{U}, {T}, Sacrifice this land: Create a 1/1 colorless Pilot creature token with "This token saddles Mounts and crews Vehicles as though its power were 2 greater." Activate only as a sorcery.

This land enters tapped unless you have two or more opponents. {T}: Add {G} or {U}.

This land enters tapped unless you control a Mount or Vehicle. {T}: Add {R}. {1}{R}, {T}, Sacrifice this land: Create a 1/1 colorless Pilot creature token with "This token saddles Mounts and crews Vehicles as though its power were 2 greater." Activate only as a sorcery.

This land enters tapped unless you control a Mountain or a Forest. {T}: Add {R} or {G}.

({T}: Add {R} or {G}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {C}. {T}: Add {U} or {R}. This land deals 1 damage to you.

This land enters tapped. Indestructible {T}: Add {R} or {G}.

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

This land enters tapped unless you control two or more other lands. {T}: Add {U} or {R}.

This land enters tapped unless you control an Island or a Mountain. {T}: Add {U} or {R}.

This land enters tapped. Indestructible {T}: Add {G} or {U}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {U} or {R}.

This land enters tapped unless you control a Mount or Vehicle. {T}: Add {G}. {1}{G}, {T}, Sacrifice this land: Create a 1/1 colorless Pilot creature token with "This token saddles Mounts and crews Vehicles as though its power were 2 greater." Activate only as a sorcery.

At the beginning of combat on your turn, you may pay {E}{E}{E}. If you do, put a +1/+1 counter on this creature. Whenever this creature attacks, double its power until end of turn. Whenever this creature deals combat damage to a creature, if that creature was dealt excess damage this turn, you get X {E}, where X is that excess damage.

Landfall — Whenever a land you control enters, you get {E} (an energy counter). Pay eight {E}: Create a 6/6 colorless Beast artifact creature token.

Revolt — As long as a permanent left the battlefield under your control this turn, if a source you control would deal noncombat damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead. Whenever you get one or more {E}, this enchantment deals that much damage to any target.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep. You draw a card at the beginning of the next turn's upkeep.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

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

This spell costs {1} less to cast for each {E} (energy counter) you've paid or lost this turn. Haste Whenever this creature attacks, you get {E}{E}, then you may pay eight {E}. When you do, this creature deals 8 damage divided as you choose among up to eight targets.

Broadside Barrage deals 5 damage to target creature or planeswalker. Draw a card, then discard a card.

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

Choose target creature or planeswalker. You get {E}{E}{E} (three energy counters), then you may pay any amount of {E}. Galvanic Discharge deals that much damage to that permanent.

Draw two cards. Then you may discard two cards. When you do, Ill-Timed Explosion deals X damage to each creature, where X is the greatest mana value among cards discarded this way.

Choose one — • Counter target noncreature spell unless its controller pays {2}. • Izzet Charm deals 2 damage to target creature. • Draw two cards, then discard two cards.

When this creature enters, you get an amount of {E} (energy counters) equal to the greatest power among creatures you control. Pay {E}{E}{E}: Target creature blocks this turn if able.

Whenever you cast a spell, you get an amount of {E} (energy counters) equal to the amount of mana spent to cast that spell. {T}, Pay fifty {E}: Draw seven cards. You may cast any number of spells from your hand without paying their mana costs.

Whenever a permanent you control is put into a graveyard, you get {E} (an energy counter). {T}, Pay six {E}: Look at the top six cards of your library. You may cast a spell from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.

First strike When this creature enters, you get {E}{E} (two energy counters). Then if you cast it from your hand, exile cards from the top of your library until you exile a nonland card. You may cast that card by paying an amount of {E} equal to its mana value rather than paying its mana cost.

{T}: You get {E}{E} (two energy counters). {T}, Pay {E}{E}: Tap target creature. {T}, Pay {E}{E}{E}: Draw a card. Pay {E}{E}{E}{E}: This Vehicle becomes an artifact creature until end of turn. Crew 4

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

If you would get one or more {E} (energy counters), you get that many plus one {E} instead. {T}: Draw a card. Activate only if you've paid or lost four or more {E} this turn.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.) Draw a card.

Trample Whenever this creature deals combat damage to a player, you get that many {E} (energy counters). Exhaust — Pay six {E}: Put two +1/+1 counters on this creature. Then draw cards equal to the greatest power among creatures you control. (Activate each exhaust ability only once.)

Robobrain War Mind's power is equal to the number of cards in your hand. When this creature enters, you get an amount of {E} (energy counters) equal to the number of artifact creatures you control. Whenever this creature attacks, you may pay {E}{E}{E}. If you do, draw a card.

Landfall — Whenever a land you control enters, you get {E} (an energy counter). {T}, Pay six {E}: Draw three cards.

Flash (You may cast this spell any time you could cast an instant.) Whenever this creature blocks, you get {E} (an energy counter). {T}, Pay {E}{E}{E}: Draw a card.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying When this creature enters, draw two cards.

Draw a card. You get {E}{E} (two energy counters).

Nonland permanents you control are artifacts in addition to their other types. The same is true for permanent spells you control and nonland permanent cards you own that aren't on the battlefield.

Target creature you control gains hexproof until end of turn. Untap that creature. Until end of turn, it becomes a copy of up to one other target creature.

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

If you would get one or more {E} (energy counters), you get twice that many {E} instead. {T}: You get {E}, then you may pay one or more {E}. If you do, create an X/X black Aetherborn creature token, where X is the amount of {E} paid this way.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When this creature enters, you get {E}{E}{E} (three energy counters). When this creature dies, you may pay {E}{E}{E}. When you do, this creature deals damage equal to its power to any target.

If this creature hasn't been exerted this turn, you may exert it as it attacks. When you do, untap all other creatures you control and after this phase, there is an additional combat phase. (An exerted creature won't untap during your next untap step.)

When this creature enters, you get {E}{E}{E} (three energy counters). Pay {E}{E}{E}: This creature gets +X/+X until end of turn, where X is its power.

After this main phase, there are two additional combat phases. At the beginning of each combat this turn, untap all creatures that attacked this turn.

Whenever Gonti's Aether Heart or another artifact you control enters, you get {E}{E} (two energy counters). Pay eight {E}, Exile Gonti's Aether Heart: Take an extra turn after this one.

{T}: Add one mana of any color. {4}, {T}: Choose one. Activate only as a sorcery. • Double the number of each kind of counter on target permanent. • Double the number of each kind of counter you have.

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

Artifact spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting an artifact spell pays for {1} or one mana of that creature's color.)

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

{T}: Add {C}. {3}, {T}: You get {E}{E}{E} (three energy counters). {T}, Pay {E}{E}{E}: Add three mana in any combination of colors.

Flying Artifact spells you cast cost {1} less to cast.

Artifact spells you cast cost {1} less to cast.

{T}: Put two ingenuity counters on Jhoira, then you may put an artifact card with mana value X or less from your hand onto the battlefield, where X is the number of ingenuity counters on Jhoira.

{T}: Add {U}. {2}{U}: Put an hour counter on this artifact. At the beginning of each upkeep, put an hour counter on this artifact. When the twelfth hour counter is put on this artifact, shuffle your hand and graveyard into your library, then draw seven cards. Exile this artifact.

Flying {T}: Add one mana of any color.

When this enchantment enters, you get {E}{E} (two energy counters). You may cast creature spells with mana value 3 or less by paying {E} rather than paying their mana costs. If you cast a spell this way, you may cast it as though it had flash.

When this creature enters, you get {E}{E} (two energy counters). {T}, Pay {E}: Add one mana of any color.

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