Tobende Ätherkobra

Verursacht Trampelschaden, Abwehr {2}
Zu Beginn deines Versorgungssegments erhältst du so viele {E} (Energiemarken), wie die Stärke dieser Kreatur beträgt. Dann kannst du eine oder mehrere {E} bezahlen. Falls du dies tust, lege entsprechend viele +1/+1-Marken auf diese Kreatur.

Capucha etérea enfurecida

Arrolla, rebatir {2}.
Al comienzo de tu mantenimiento, obtienes una cantidad de {E} (contadores de energía) igual a la fuerza de esta criatura. Luego puedes pagar uno o más {E}. Si lo haces, pon esa misma cantidad de contadores +1/+1 sobre esta criatura.

Coiffe d'Éther déchaîné

Piétinement, parade {2}
Au début de votre entretien, vous gagnez un nombre de {E} (marqueurs « énergie ») égal à la force de cette créature. Puis vous pouvez payer au moins un {E}. Si vous faites ainsi, mettez autant de marqueurs +1/+1 sur cette créature.

Eteridra Infuriata

Travolgere, egida {2}
All'inizio del tuo mantenimento, ottieni un ammontare di {E} (segnalini energia) pari alla forza di questa creatura. Poi puoi pagare uno o più {E}. Se lo fai, metti altrettanti segnalini +1/+1 su questa creatura.

猛る霊気コブラ

トランプル、護法{2}
あなたのアップキープの開始時に、あなたはこのクリーチャーのパワーに等しい数の{E}（エネルギー・カウンター）を得る。その後、１個以上の{E}を支払ってもよい。そうしたなら、このクリーチャーの上にその個数に等しい個数の＋１/＋１カウンターを置く。

Rampaging Aetherhood

Trample, ward {2}
At the beginning of your upkeep, you get an amount of {E} (energy counters) equal to this creature's power. Then you may pay one or more {E}. If you do, put that many +1/+1 counters on this creature.

Aetherdrift Commander

Trample, ward {2}
At the beginning of your upkeep, you get an amount of {E} equal to this creature's power. Then you may pay one or more {E}. If you do, put that many +1/+1 counters on this creature.

Energy counters are a kind of counter that a player may have. They’re not associated with any specific permanents.

Energy counters aren’t mana. They don’t go away as steps, phases, and turns end, and effects that add mana “of any type” can’t give you energy counters.

If an effect says you get one or more {E}, you get that many energy counters. To pay one or more {E}, you lose that many energy counters. You can’t pay more energy counters than you have. Any effects that interact with counters a player gets, has, or loses can interact with energy counters.

Keep track of how many energy counters each player has. Potential ways to track this include writing them down on paper or using dice, but any method that is clear and mutually agreeable is fine.

Some spells and abilities say that you “may pay” a certain amount of {E}, then describes an effect that happens “if you do.” In that case, no player may take actions to try to stop the ability’s effect after you make your choice. If the payment is instead followed by the phrase “when you do” followed by an effect, then after you choose to pay {E}, a new triggered ability called a reflexive trigger is put on the stack, and you choose targets for the reflexive trigger (if the effect asks for targets). Players may respond as normal to this new triggered ability. Once that reflexive trigger resolves, the effect will finally occur.

Some spells and abilities say that you “may pay” a certain amount of {E}. You can’t pay that amount multiple times to multiply the effect. You simply choose whether or not to pay that amount of {E} as the ability resolves.

Some spells and abilities which give you {E} or say you “may pay” some amount of {E} require one or more targets. If each target chosen is an illegal target as that spell or ability tries to resolve, it won’t resolve. None of its effects will happen, you won’t get any {E} from it, and you won’t get the chance to pay any {E} for its effects even if you want to.

{E} is the energy symbol. It represents one energy counter.