Deadlock Trap enters the battlefield tapped. When Deadlock Trap enters the battlefield, you get {E}{E} (two energy counters). {T}, Pay {E}: Tap target creature or planeswalker. Its activated abilities can't be activated this turn.

{T}: Add {W}.

When Aether Theorist enters the battlefield, you get {E}{E}{E} (three energy counters). {T}, Pay {E}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Whenever an artifact or Artificer enters the battlefield under your control, you may pay {1}. If you do, you get {E}{E} (two energy counters). Pay {E}{E}{E}{E}{E}{E}, Sacrifice Era of Innovation: Draw three cards.

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

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

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

Flying When Aethertide Whale enters the battlefield, you get {E}{E}{E}{E}{E}{E} (six energy counters). Pay {E}{E}{E}{E}: Return Aethertide Whale to its owner's hand.

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

Flying When Eddytrail Hawk enters the battlefield, you get {E}{E} (two energy counters). Whenever Eddytrail Hawk attacks, you may pay {E}. If you do, another target attacking creature gains flying until end of turn.

Flying, trample Whenever Empyreal Voyager deals combat damage to a player, you get that many {E} (energy counters).

When Glassblower's Puzzleknot enters the battlefield, scry 2, then you get {E}{E}. (You get two energy counters. To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) {2}{U}, Sacrifice Glassblower's Puzzleknot: Scry 2, then you get {E}{E}.

When Greenbelt Rampager enters the battlefield, pay {E}{E} (two energy counters). If you can't, return Greenbelt Rampager to its owner's hand and you get {E}.

When Peema Aether-Seer enters the battlefield, 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.

When Rogue Refiner enters the battlefield, draw a card and you get {E}{E} (two energy counters).

When Sage of Shaila's Claim enters the battlefield, you get {E}{E}{E} (three energy counters).

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}. {1}, {T}, Sacrifice Bant Panorama: Search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle.

({T}: Add {G}.)

({T}: Add {U}.)

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

Flying Whenever Aetherstorm Roc or another creature enters the battlefield under your control, you get {E} (an energy counter). Whenever Aetherstorm Roc 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.

When Bristling Hydra enters the battlefield, you get {E}{E}{E} (three energy counters). Pay {E}{E}{E}: Put a +1/+1 counter on Bristling Hydra. It gains hexproof until end of turn.

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.

{T}: You get {E} (an energy counter). {T}, Pay {E}{E}{E}: Consulate Turret deals 2 damage to target player or planeswalker.

Whenever you cast an instant or sorcery spell, you get {E}{E} (two energy counters). {T}, Pay {E}{E}{E}{E}{E}: Dynavolt Tower deals 3 damage to any target.

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

Whenever Longtusk Cub deals combat damage to a player, you get {E}{E} (two energy counters). Pay {E}{E}: Put a +1/+1 counter on Longtusk Cub.

Landfall — Whenever a land enters the battlefield under your control, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying Whenever Grateful Apparition deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

At the beginning of your upkeep, you may search your library for a basic land card, reveal that card, put it into your hand, then shuffle. If you do, you skip your draw step this turn.

When Elvish Pioneer enters the battlefield, you may put a basic land card from your hand onto the battlefield tapped.

Flying, vigilance {2}{W}, {T}: Exile another target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step. {2}{W}, {T}, Exert Angel of Condemnation: Exile another target creature until Angel of Condemnation leaves the battlefield. (An exerted creature won't untap during your next untap step.)

When Banisher Priest enters the battlefield, exile target creature an opponent controls until Banisher Priest leaves the battlefield. (That creature returns under its owner's control.)

When Fiend Hunter enters the battlefield, you may exile another target creature. When Fiend Hunter leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Counter target spell, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Destroy target artifact or enchantment. Its controller gains 4 life.

As Sorcerous Spyglass enters the battlefield, look at an opponent's hand, then choose any card name. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Whenever a nontoken creature enters the battlefield, its controller creates a token that's a copy of that creature. Whenever a nontoken creature leaves the battlefield, exile all tokens with the same name as that creature. When Dual Nature leaves the battlefield, exile all tokens created with Dual Nature.

Exile any number of target creatures you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

Exile target creature you control, then return it to the battlefield under its owner's control. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

When Felidar Guardian enters the battlefield, you may exile another target permanent you control, then return that card to the battlefield under its owner's control.

Flying When Flickerwisp enters the battlefield, exile another target permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control. Draw a card.

Whenever a creature is exiled from the battlefield, put a +1/+1 counter on Soulherder. At the beginning of your end step, you may exile another target creature you control, then return that card to the battlefield under its owner's control.

Flying When Wormfang Drake enters the battlefield, sacrifice it unless you exile a creature you control other than Wormfang Drake. When Wormfang Drake leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Flying At the beginning of your upkeep, you get {E}{E}{E} (three energy counters). Pay {E}{E}{E}{E}{E}{E}{E}{E}: Return all other creatures to their owners' hands. Activate only as a sorcery.

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

Whenever a permanent you control is put into a graveyard, you get {E} (an energy counter). {T}, Pay {E}{E}{E}{E}{E}{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.

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

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 enters the battlefield under your control, you get {E}{E} (two energy counters). Pay {E}{E}{E}{E}{E}{E}{E}{E}, Exile Gonti's Aether Heart: Take an extra turn after this one.