Vigilance When this creature enters, you get {E}{E} (two energy counters). Whenever this creature attacks, you may pay {E}{E}. If you do, create a 1/1 colorless Servo artifact creature token.

Flash (You may cast this spell any time you could cast an instant.) Enchant creature or Vehicle When this Aura enters, you get {E}{E} (two energy counters). Enchanted creature gets -4/-0.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) When this creature enters, you get {E}{E} (two energy counters). Whenever this creature attacks, you may pay {E}{E}. If you do, create a 1/1 colorless Servo artifact creature token.

Flying When this creature enters, you get {E}{E} (two energy counters). Whenever this creature attacks, you may pay {E}{E}. If you do, create a 1/1 colorless Servo artifact creature token.

When this creature enters, 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.)

Flying When this Vehicle enters, you get {E}{E} (two energy counters). Pay {E}: This Vehicle gains lifelink until end of turn. Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

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

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.

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

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.

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.

When this creature enters, you get {E}{E} (two energy counters). Whenever this creature attacks, you may pay {E}. If you do, another target attacking creature gains indestructible until end of turn.

When this enchantment enters, you get {E}{E}{E}{E} (four energy counters). Pay {E}{E}: Prevent all damage that would be dealt to you this turn by a source of your choice.

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

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

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

Flying When this creature enters, all other creatures get -2/-2 until end of turn. Whenever another creature dies, you get {E} (an energy counter). {2}{B}, Pay {E}{E}{E}{E}: Put target creature card from a graveyard onto the battlefield under your control tapped.

Choose target creature. You get {E}{E} (two energy counters), then you may pay any amount of {E}. The creature gets -1/-1 until end of turn for each {E} paid this way.

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

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

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.

Whenever an artifact or Artificer you control enters, you may pay {1}. If you do, you get {E}{E} (two energy counters). Pay six {E}, Sacrifice this enchantment: Draw three cards.

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

When this artifact enters, 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 and the rest on top in any order.) {2}{U}, Sacrifice this artifact: Scry 2, then you get {E}{E}.

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

Menace Whenever this creature enters or attacks, you get {E} (an energy counter). At the beginning of your upkeep, you may pay {E}{E}. If you do, you draw a card and you lose 1 life.

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.

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.

Defender When this creature enters, you get {E}{E}{E}{E} (four energy counters). Pay {E}{E}: This creature can attack this turn as though it didn't have defender.

When this creature enters, you get {E}{E} (two energy counters). {T}, Pay {E}{E}: You may tap or untap target artifact or creature.

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

When this creature enters, you get {E}{E} (two energy counters). {T}, Pay {E}: Target player mills three cards.

When this creature enters, you get {E}{E}{E} (three energy counters). Pay {E}: This creature gains your choice of flying, vigilance, or lifelink until end of turn. Pay {E}: This creature gets +2/-2 or -2/+2 until end of turn.

When this creature enters, you gain 3 life and get {E}{E}{E} (three energy counters).

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.

When this creature enters, you get {E}{E}{E}{E} (four energy counters). Pay {E}: This creature gets +2/-2 until end of turn.

When this creature enters, you get {E}{E} (two energy counters). Whenever this creature attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it.

When this creature enters, you get {E}{E} (two energy counters). Whenever this creature attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it.

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

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

This artifact enters tapped. {T}: Add {B}.

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

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

Imprint — When this artifact enters, you may exile an instant card with mana value 2 or less from your hand. {2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

This artifact enters tapped. {T}: Add {W}.

{1}, {T}: Add {W}{B}.

This artifact enters tapped. {T}: Add {U}.

Counter target spell. Create X 1/1 colorless Thopter artifact creature tokens with flying, where X is that spell's mana value.

Vehicles you control become artifact creatures until end of turn. Choose a Dwarf you control. Attach any number of Equipment you control to it.

Counter target spell.

Add {B}{B}{B}.

Exile target permanent with mana value 4 or greater.

Destroy target artifact or enchantment.

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

Destroy target creature or enchantment.

Counter target noncreature spell.

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

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

Exile target nonland permanent.

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

This land enters tapped. {T}: Add {W}, {U}, or {B}.

{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 {U}.)

({T}: Add {W}.)