Whenever one or more creatures attack, you may have target attacking creature gain double strike until end of turn.

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

Equipped creature gets +2/+2 and has protection from white and from blue. Whenever equipped creature deals combat damage to a player, put a +1/+1 counter on a creature you control, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) Equip {2}

Whenever equipped creature deals combat damage, put two charge counters on Umezawa's Jitte. Remove a charge counter from Umezawa's Jitte: Choose one — • Equipped creature gets +2/+2 until end of turn. • Target creature gets -1/-1 until end of turn. • You gain 2 life. Equip {2}

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.

{1}: Until end of turn, Argivian Avenger gets -1/-1 and gains your choice of flying, vigilance, deathtouch, or haste.

Ultima Founding — {T}, Tap two untapped artifacts you control: Create a 2/2 white Astartes Warrior creature token with vigilance. Master of Machines — {T}, Tap X untapped creatures you control: Look at the top X cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

{W}: Brightling gains vigilance until end of turn. {W}: Brightling gains lifelink until end of turn. {W}: Return Brightling to its owner's hand. {1}: Brightling gets +1/-1 or -1/+1 until end of turn.

Discard a card: Cephalid Inkshrouder gains shroud until end of turn and can't be blocked this turn. (A creature with shroud can't be the target of spells or abilities.)

{2}, {T}: Put a +1/+1 counter on Drillworks Mole and a +1/+1 counter on up to one target commander creature you control.

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.

Farmstead Gleaner doesn't untap during your untap step. {2}, {Q}: Put a +1/+1 counter on Farmstead Gleaner. ({Q} is the untap symbol.)

{0}: Until end of turn, Jodah's Avenger gets -1/-1 and gains your choice of double strike, protection from red, vigilance, or shadow. (A creature with shadow can block or be blocked by only creatures with shadow.)

{1}{U}, {Q}: Merrow Wavebreakers gains flying until end of turn. ({Q} is the untap symbol.)

{U}: Untap Morphling. {U}: Morphling gains flying until end of turn. {U}: Morphling gains shroud until end of turn. (It can't be the target of spells or abilities.) {1}: Morphling gets +1/-1 until end of turn. {1}: Morphling gets -1/+1 until end of turn.

Draw two cards. Then discard a card unless you attacked this turn.

Whenever you attack with two or more creatures, draw a card. {2}, Discard a card: Create a 2/2 white and blue Knight creature token with vigilance.

Target player draws three cards. Then that player discards two cards unless they discard a land card.

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Draw a card.

You gain 2 life, draw two cards, then discard two cards. Flashback {1}{W}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Draw two cards, then discard two cards. Untap up to three lands.

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

As Monastery Siege enters the battlefield, choose Khans or Dragons. • Khans — At the beginning of your draw step, draw an additional card, then discard a card. • Dragons — Spells your opponents cast that target you or a permanent you control cost {2} more to cast.

Draw two cards, then discard a card. Then if an opponent has more cards in hand than you, return Pulse of the Grid to its owner's hand.

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

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.

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.

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.

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.

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

{T}: Add {C}. {3}, {T}: Target creature with power 3 or less can't be blocked this turn.

{T}: Add {C}. {T}: Add {W} or {U}. Adarkar Wastes deals 1 damage to you.

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

Azorius Chancery enters the battlefield tapped. When Azorius Chancery enters the battlefield, return a land you control to its owner's hand. {T}: Add {W}{U}.

{T}: Add {U}. Cephalid Coliseum deals 1 damage to you. Threshold — {U}, {T}, Sacrifice Cephalid Coliseum: Target player draws three cards, then discards three cards. Activate only if seven or more cards are in your graveyard.

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

{T}: Add {C}. {2}, {T}: Each player draws a card, then discards a card.

Guildless Commons enters the battlefield tapped. When Guildless Commons enters the battlefield, return a land you control to its owner's hand. {T}: Add {C}{C}.

({T}: Add {W} or {U}.) As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {U}.)

{T}: Add {C}. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

({T}: Add {W}.)

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

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

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

Glistening Sphere enters the battlefield tapped. When Glistening Sphere enters the battlefield, proliferate. {T}: Add one mana of any color. Corrupted — {T}: Add three mana of any one color. Activate only if an opponent has three or more poison counters.

{T}: Add one mana of any color. {1}, {T}, Tap another untapped artifact you control: Draw a card, then discard a card.

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

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

{T}: Add {C}. {T}: Add {W} or {U}. Talisman of Progress deals 1 damage to you.

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

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

Return target nonland permanent to its owner's hand. If that permanent had mana value 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Each player chooses a creature or planeswalker they control, then sacrifices the rest. Players can't cast creature or planeswalker spells until the end of your next turn.

{U}: Exile Aetherling. Return it to the battlefield under its owner's control at the beginning of the next end step. {U}: Aetherling can't be blocked this turn. {1}: Aetherling gets +1/-1 until end of turn. {1}: Aetherling gets -1/+1 until end of turn.

{2}{U}: Target creature can't be blocked this turn.

{T}: Draw three cards. {2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand.

Cryptic Trilobite enters the battlefield with X +1/+1 counters on it. Remove a +1/+1 counter from Cryptic Trilobite: Add {C}{C}. Spend this mana only to activate abilities. {1}, {T}: Put a +1/+1 counter on Cryptic Trilobite.

Flying, lifelink Whenever you draw a card, Dream Trawler gets +1/+0 until end of turn. Whenever Dream Trawler attacks, draw a card. Discard a card: Dream Trawler gains hexproof until end of turn. Tap it.

{U}: Untap Horseshoe Crab.

{U}, {T}: Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

{T}: Draw two cards, then discard three cards.

{3}{U}{U}: Draw two cards.

Flying If you would draw a card while your library has no cards in it, instead put five +1/+1 counters on Ormos, Archive Keeper. {1}{U}{U}, Discard three cards with different names: Draw five cards.

{T}, Pay 1 life: Destroy target permanent you own. {T}, Pay 2 life: Add one mana of any color. {T}, Pay 3 life: Proliferate. {T}, Pay 4 life: Draw a card. {5}: Untap Staff of Compleation.