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.

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.

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

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

Whenever a creature you control enters, you get {E} (an energy counter). {4}, {T}: Return target creature you control to its owner's hand.

Whenever you get one or more {E} (energy counters), put a +1/+1 counter on target creature you control. {4}, {T}: You get {E}.

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.

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.

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

Whenever a creature you control attacks, you get {E} (an energy counter). {T}, Pay six {E}: Create a 6/12 colorless Construct artifact creature token with trample. Activate only as a sorcery.

{T}: Add {C}. {T}: Add {R} or {W}. This artifact deals 1 damage to you.

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

{T}: Add {C}. {T}: Add {G} or {U}. This artifact deals 1 damage to you.

{T}: Add {C}. {T}: Add {U} or {B}. This artifact deals 1 damage to you.

{T}: Add {C}. {T}: Add {W} or {B}. This artifact deals 1 damage to you.

Whenever this creature attacks, you get {E}{E} (two energy counters). Pay {E}{E}: Exile this creature, then return it to the battlefield under its owner's control.

Flying Whenever this creature or another creature you control enters, you get {E} (an energy counter). Whenever this creature attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it and tap up to one target creature defending player controls.

Trample Whenever this creature enters or attacks, you get {E} (an energy counter) for each creature you control. Pay {E}: This creature gets +1/+1 until end of turn.

Trample Agent Frank Horrigan has indestructible as long as it attacked this turn. Whenever Agent Frank Horrigan enters or attacks, proliferate twice. (To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying, vigilance, deathtouch, lifelink At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.) Other nontoken creatures you control have fabricate 1. {2}, {T}: Choose one — • Populate. • Proliferate.

Whenever you cast an artifact spell, you get {E} (an energy counter). {T}, Pay {E}: Target creature gets +1/+0 and gains trample and haste until end of turn. {T}, Pay {E}{E}{E}: Draw a card. {T}, Pay {E}{E}{E}{E}{E}: Return target artifact card from your graveyard to the battlefield tapped.

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.

When Ezuri enters, you may pay {3}. If you do, proliferate twice. Whenever you proliferate, draw a card.

Whenever another creature you control enters, you gain 1 life and get {E} (an energy counter). Whenever you attack, you may pay {E}{E}{E}. When you do, put two +1/+1 counters and a flying counter on target attacking creature. It becomes an Angel in addition to its other types.

Vigilance, trample, haste Whenever Liberty Prime attacks or blocks, sacrifice it unless you pay {E}{E} (two energy counters). {2}, {T}, Sacrifice an artifact: You get {E}{E} and draw a card.

Double strike, haste Whenever this creature attacks, you get {E}{E} (two energy counters), then you may pay eight {E}. If you pay, untap all creatures you control, and after this phase, there is an additional combat phase.

Whenever this creature or equipped creature attacks, you get {E} (an energy counter), then it gets +X/+X until end of turn, where X is the amount of {E} you have. Reconfigure—Pay {2} or {E}{E}{E}. (Pay {2} or {E}{E}{E}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

When this creature enters, draw a card and you get {E}{E} (two energy counters).

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

Menace, haste Whenever Satya attacks, create a tapped and attacking token that's a copy of up to one other target nontoken creature you control. You get {E}{E} (two energy counters). At the beginning of the next end step, sacrifice that token unless you pay an amount of {E} equal to its mana value.

Flying If you would proliferate, proliferate twice instead. {1}{U/P}{U/P}, Remove three counters from among other artifacts, creatures, and planeswalkers you control: Put an indestructible counter on Tekuthal. ({U/P} can be paid with either {U} or 2 life.)

Flying, hexproof from activated and triggered abilities When this creature enters, exchange control of this creature and target creature an opponent controls. If you do, you get {E}{E}{E}{E}, then sacrifice that creature unless you pay an amount of {E} equal to its mana value.

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.

Whenever you put one or more counters on a permanent or player, this enchantment deals that much damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.

When this enchantment enters, you get {E}{E}{E} (three energy counters). Pay X {E}, Sacrifice a creature, Return this enchantment to its owner's hand: Return target creature card with mana value X from your graveyard to the battlefield. Activate only as a sorcery.

Whenever you lose life for the first time each turn, you get {E}. (You get an energy counter. Damage causes loss of life.) Pay {E}{E}, Sacrifice this enchantment: Each opponent loses 3 life. You gain life equal to the life lost this way.

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

If this card is in your opening hand, you may begin the game with it on the battlefield. Each nonland permanent you control is all colors. Lands you control are every basic land type in addition to their other types.

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.

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

Counter target spell. You get an amount of {E} (energy counters) equal to its mana value.

Scry 2, then draw two cards. You get {E}{E} (two energy counters).

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

If an opponent cast three or more spells this turn, you may pay {0} rather than pay this spell's mana cost. Exile any number of target spells.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Storm (When you cast this spell, copy it for each spell cast before it this turn.) Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Exile target creature. Its controller gains life equal to its power.

{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}: Add {G}.)

({T}: Add {B} or {G}.) This land enters tapped.

({T}: Add {G} or {U}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

{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.

({T}: Add {U}.)

({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.)

({T}: Add {W}.)

({T}: Add {W} or {U}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {U} or {B}.) This land enters tapped unless you control two or more basic lands.

Destroy all artifacts you don't control, then exile the top X cards of your library, where X is the number of artifacts that were put into graveyards from the battlefield this turn. You may put a creature card exiled this way onto the battlefield. It gains haste. Return it to your hand at the beginning of the next end step.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. You get {E}{E} (two energy counters).

Choose target artifact or creature. You get {E}{E}{E}{E} (four energy counters), then you may pay an amount of {E} equal to that permanent's mana value. If you do, gain control of it.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

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

Choose up to one target artifact or creature card in your graveyard. You get {E}{E} (two energy counters). Then you may pay an amount of {E} equal to that card's mana value. If you do, return it from your graveyard to the battlefield. Cycling {2} ({2}, Discard this card: Draw a card.)

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

You draw two cards, lose 2 life, and get {E}{E} (two energy counters).

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Choose four. You may choose the same mode more than once. • Create a 2/2 Citizen creature token that's all colors. • Return target permanent card from your graveyard to your hand. • Proliferate. • You gain 4 life.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

({U/P} can be paid with either {U} or 2 life.) Draw two cards, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Search your library for a Forest card, put it onto the battlefield, then shuffle.

Put target creature card from a graveyard onto the battlefield under your control. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Draw three cards. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)