When Aether Channeler enters the battlefield, choose one --

• Create a 1/1 white Bird creature token with flying.

• Return another target nonland permanent to its owner's hand.

• Draw a card.

Flying

When Aether Swooper enters the battlefield, you get {E}{E} (two energy counters).

Whenever Aether Swooper attacks, you may pay {E}{E}. If you do, create a 1/1 colorless Servo artifact creature token.

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.)

Search the Room -- {5}{U}: Roll a d20.

1--9 | Draw a card.

10--20 | Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Equipped creature gets +4/-1.

Equip {2}

When Burdened Aerialist enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Whenever you sacrifice a token, Burdened Aerialist gains flying until end of turn.

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Flying

When Cloud of Faeries enters the battlefield, untap up to two lands.

Cycling {2} ({2}, Discard this card: Draw a card.)

Flying

{U}, {T}, Discard a card: Create a 1/1 blue Faerie creature token named Cloud Sprite. It has flying and "Cloud Sprite can block only creatures with flying."

Surge {2}{U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)

Target player draws two cards.

Roll a d20.

1--9 | Draw two cards.

10--19 | Scry 2, then draw two cards.

20 | Scry 3, then draw three cards.

When Corridor Monitor enters the battlefield, untap target artifact or creature you control.

Enchant player

At the beginning of enchanted player's upkeep, that player mills two cards.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

Draw two cards.

This spell costs {2} less to cast if you control a Dragon.

Draw three cards.

Target creature has base power and toughness 5/5 until end of turn. The Ring tempts you.

Flying

At the beginning of combat on your turn, choose up to one --

• Tap target creature.

• Target creature doesn't untap during its controller's next untap step.

{T}: Add {C}.

{3}, {T}: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)

Dungeoneer's Pack enters the battlefield tapped.

{2}, {T}, Sacrifice Dungeoneer's Pack: You take the initiative, gain 3 life, draw a card, and create a Treasure token. Activate only as a sorcery. (A Treasure token is an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Draw three cards, then discard a card.

Draw a card.

Splice onto instant or sorcery {2}{U} (As you cast an instant or sorcery spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Commander creatures you own have "Whenever one or more nontoken creatures you control deal combat damage to a player, you create a 1/1 blue Faerie Dragon creature token with flying."

Climb Over -- {T}: Target Wall can't block this turn.

Tie Up -- {3}, {T}: Target creature doesn't untap during its controller's next untap step.

Rappel Down -- {4}, {T}: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)

Vigilance

{2}, {T}: Draw a card, then discard a card.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Galvanic Alchemist is paired with another creature, each of those creatures has "{2}{U}: Untap this creature."

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

{2}, {T}, Sacrifice Hedron Archive: Draw two cards.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Whenever a creature you control dies, put two eyeball counters on Jar of Eyeballs.

{3}, {T}, Remove all eyeball counters from Jar of Eyeballs: Look at the top X cards of your library, where X is the number of eyeball counters removed this way. Put one of them into your hand and the rest on the bottom of your library in any order.

Lonely Sandbar enters the battlefield tapped.

{T}: Add {U}.

Cycling {U} ({U}, Discard this card: Draw a card.)

Draw three cards.

Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Enchant creature

At the beginning of your upkeep, return enchanted creature and all Auras attached to that creature to their owners' hands.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Draw two cards.

Memorial to Genius enters the battlefield tapped.

{T}: Add {U}.

{4}{U}, {T}, Sacrifice Memorial to Genius: Draw two cards.

Draw three cards.

Basic landcycling {1}{U} ({1}{U}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Flying

{2}: Target player mills a card. Mindshrieker gets +X/+X until end of turn, where X is the milled card's mana value.

Whenever you draw your second card each turn, create a 1/1 blue Illusion creature token with "This creature gets +1/+0 for each other Illusion you control."

Whenever an Illusion you control dies, you may put a permanent card with mana value less than or equal to that creature's power from your hand onto the battlefield.

Draw two cards.

Landfall -- If you had a land enter the battlefield under your control this turn, draw three cards instead.

Draw three cards. Then discard two cards unless you discard a creature card.

At the beginning of your upkeep, scry 1.

Whenever you discard a card, each opponent mills two cards. (They put the top two cards of their library into their graveyard.)

{3}{U}, {T}: Exile another target creature you control, then return that card to the battlefield under your control.

Night Market Guard can block an additional creature each combat.

{T}: Add {C}{U}. Spend this mana only to activate abilities.

When Omenspeaker enters the battlefield, 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.)

When Oracle of Tragedy enters the battlefield or dies, choose one --

• Draw a card, then discard a card.

• Shuffle up to four target cards with mana value 3 or greater from your graveyard into your library.

Trample, haste

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.)

Path of Ancestry enters the battlefield 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 one mana of any color. Spend this mana only to cast an instant or sorcery spell.

{5}{U}, {T}: Target player mills three cards. (They put the top three cards of their library into their graveyard.)

Flying

Grant an Advantage -- If you would roll one or more dice, instead roll that many dice plus one and ignore the lowest roll.

Defender (This creature can't attack.)

Whenever Psychic Membrane blocks, you may draw a card.

{U}, {T}: You may tap or untap target creature.

{U}, {T}: Draw a card, then discard a card.

Delirium -- {2}{U}, {T}: Draw a card. Activate only if there are four or more card types among cards in your graveyard.

Sacrifice an artifact: Regenerate Rusted Slasher.

Flash

Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

Hexproof

{1}, Discard a card: Create a 0/3 blue Crab creature token.

Delirium -- Crabs you control get +1/+1 as long as there are four or more card types among cards in your graveyard.

When Sea Gate Oracle enters the battlefield, look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Until end of turn, target creature becomes a blue Serpent with base power and toughness 5/5.

When Shipwreck Moray enters the battlefield, you get {E}{E}{E}{E} (four energy counters).

Pay {E}: Shipwreck Moray gets +2/-2 until end of turn.

Skyline Cascade enters the battlefield tapped.

When Skyline Cascade enters the battlefield, target creature an opponent controls doesn't untap during its controller's next untap step.

{T}: Add {U}.

Flying

Skywinder Drake can block only creatures with flying.

Tap all creatures target player controls. Those creatures don't untap during that player's next untap step.

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

{1}{U}, {T}: Draw a card, then discard a card.

Flying

When Soul Seizer deals combat damage to a player, you may transform it. If you do, attach it to target creature that player controls.

Enchant creature

You control enchanted creature.

{T}: Add {C}{C}. Activate only if you control five or more lands.

Creatures you control with power or toughness 1 or less can't be blocked.

Draw three cards. If you control no artifacts, discard a card.

When Thriving Turtle enters the battlefield, you get {E}{E} (two energy counters).

Whenever Thriving Turtle attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it.

Whenever Tidal Terror attacks, you may tap two other untapped creatures you control. If you do, Tidal Terror can't be blocked this turn.

Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Equipped creature gets +2/+0.

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Trigon of Thought enters the battlefield with three charge counters on it.

{U}{U}, {T}: Put a charge counter on Trigon of Thought.

{2}, {T}, Remove a charge counter from Trigon of Thought: Draw a card.

Sleight of Hand -- {8}: Draw two cards.

{U}: Water Servant gets +1/-1 until end of turn.

{U}: Water Servant gets -1/+1 until end of turn.

{U}: Watercourser gets +1/-1 until end of turn.

Flying

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

{T}: Exile target instant or sorcery card from a graveyard. Roll a d20. Activate only as a sorcery.

1--9 | Copy that card. You may cast the copy.

10--19 | Copy that card. You may cast the copy by paying {1} rather than paying its mana cost.

20 | Copy each card exiled with Wizard's Spellbook. You may cast any number of the copies without paying their mana costs.