Casualty 1 (As you cast this spell, you may sacrifice a creature with power 1 or greater. When you do, copy this spell.)

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.

Defender

Whenever you cast an instant or sorcery spell, you may draw a card. If you do, discard a card. This ability triggers only once each turn.

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.)

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.

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

{T}, Pay {E}{E}: Aethertorch Renegade deals 1 damage to target creature.

{T}, Pay {E}{E}{E}{E}{E}{E}{E}{E}: Aethertorch Renegade deals 6 damage to target player or planeswalker.

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.

Enchant creature

Enchanted creature can't be blocked.

Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

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

(Gain the next level as a sorcery to add its ability.)

The first artifact spell you cast each turn costs {1} less to cast.

{1}{U}: Level 2

When this Class becomes level 2, reveal cards from the top of your library until you reveal an artifact card. Put that card into your hand and the rest on the bottom of your library in a random order.

{5}{U}: Level 3

At the beginning of your end step, create a token that's a copy of target artifact you control.

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

Whenever you discard a card, exile that card from your graveyard.

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

{4}, {T}, Sacrifice Bag of Holding: Return all cards exiled with Bag of Holding to their owner's hand.

Instant and sorcery spells you cast cost {1} less to cast.

Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.

As an additional cost to cast this spell, discard a card.

Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Bolt of Keranos deals 3 damage to any target. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

You may cast spells this turn as though they had flash.

Draw a card.

When Bronze Walrus 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.)

{T}: Add one mana of any color.

Counter target spell.

Castle Vantress enters the battlefield tapped unless you control an Island.

{T}: Add {U}.

{2}{U}{U}, {T}: Scry 2.

Commander creatures you own have "{2}, Sacrifice an artifact: Put a +1/+1 counter on this creature and draw a card."

Enchant creature

Enchanted creature has "Whenever this creature deals combat damage to a player, draw a card."

As long as enchanted creature is legendary, it gets +1/+1 and has ward {1}. (Whenever enchanted creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.)

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

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

Sacrifice Commander's Sphere: Draw a card.

{T}: You get {E} (an energy counter).

{T}, Pay {E}{E}{E}: Consulate Turret deals 2 damage to target player or planeswalker.

When Crystal Grotto enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

{T}: Add {C}.

{1}, {T}: Add one mana of any color.

Enchant player

Whenever enchanted player is attacked, create a Gold token. Each opponent attacking that player does the same. (A Gold token is an artifact with "Sacrifice this artifact: Add one mana of any color.")

Enchant player

Whenever enchanted player is attacked, you draw a card. Each opponent attacking that player does the same.

Indestructible

{T}: Add one mana of any color.

You have no maximum hand size.

{T}: Add one mana of any color.

Discard all the cards in your hand, then draw that many cards.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Delete deals X damage to each nonartifact creature and each player.

{T}: Add {C}.

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

Draw two cards.

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.)

Whenever Donna or a creature it's paired with is dealt damage, Donna deals that much damage to target opponent.

Doctor's companion (You can have two commanders if the other is the Doctor.)

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.

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

Counter target creature spell.

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

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 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}.

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

{T}: Move a counter of each kind not on Goldberry, River-Daughter from another target permanent you control onto Goldberry.

{U}, {T}: Move one or more counters from Goldberry onto another target permanent you control. If you do, draw a card.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life.

{T}: Add {C}.

{4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

({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}.)

Izzet Boilerworks enters the battlefield tapped.

When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand.

{T}: Add {U}{R}.

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

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

{T}, Pay {E}{E}: You may tap or untap target artifact or creature.

Jaya's Firenado deals 5 damage to target creature or planeswalker. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Players play with the top card of their libraries revealed.

{T}, Sacrifice Lantern of Insight: Target player shuffles.

{T}: Add one mana of any color.

{4}, {T}: Look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, you may put it on the bottom of your library.

Memorial to Genius enters the battlefield tapped.

{T}: Add {U}.

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

Mines of Moria enters the battlefield tapped unless you control a legendary creature.

{T}: Add {R}.

{3}{R}, {T}, Exile three cards from your graveyard: Create two Treasure tokens.

+2: Draw two cards, then put a card from your hand on the bottom of your library.

-2: Create a blue Dog Illusion creature token with "This creature's power and toughness are each equal to twice the number of cards in your hand."

-10: Exchange your hand and library, then shuffle. You get an emblem with "You have no maximum hand size."

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Counter target creature or planeswalker spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Scry 1.

Scry 1.

Draw a card.

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.)

Prismari Campus enters the battlefield tapped.

{T}: Add {U} or {R}.

{4}, {T}: Scry 1.

{3}: Put target card from a graveyard on the bottom of its owner's library.

You have no maximum hand size.

{T}: Add {C}.

Meet in Reverse -- You draw cards from the bottom of your library rather than the top.

Spoilers -- Whenever an opponent scries, surveils, or searches their library, put a +1/+1 counter on River Song. Then River Song deals damage to that player equal to its power.

Sea Gate enters the battlefield tapped.

As Sea Gate enters the battlefield, choose a color other than blue.

{T}: Add {U} or one mana of the chosen color.

{T}: Add {C}.

{2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

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.)

Choose one --

• Shatter the Source deals 6 damage to target creature, planeswalker, or battle.

• Destroy target artifact.

Replicate {R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Destroy target artifact.

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.

{T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

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}.

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

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

When Spontaneous Artist enters the battlefield, you get {E} (an energy counter).

Pay {E}: Target creature gains haste until end of turn.

{T}: Add {C}.

{T}: Add {U} or {R}. Talisman of Creativity deals 1 damage to you.

Look at the top three cards of your library. Put one of those cards into your hand, one on top of your library, and one on the bottom of your library.

Temple of Epiphany enters the battlefield tapped.

When Temple of Epiphany enters the battlefield, scry 1.

{T}: Add {U} or {R}.

+1: Untap up to two target artifacts.

-X: Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

-5: Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn.

The Autonomous Furnace enters the battlefield tapped.

{T}: Add {R}.

{1}{R}, {T}, Sacrifice The Autonomous Furnace: Draw a card.

The Surgical Bay enters the battlefield tapped.

{T}: Add {U}.

{1}{U}, {T}, Sacrifice The Surgical Bay: Draw a card.

Allons-y! -- Whenever you attack, exile cards from the top of your library until you exile a nonland card. Put three time counters on it. If it doesn't have suspend, it gains suspend.

Timey-Wimey -- {7}: Time travel three times. Activate only as a sorcery. (For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter. Then do it two more times.)

{2}{U}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I, II -- Tap target creature an opponent controls. It doesn't untap during its controller's untap step for as long as you control Time of Ice.

III -- Return all tapped creatures to their owners' hands.

Whenever Transplant Theorist or another artifact enters the battlefield under your control, you may draw a card. If you do, discard a card.

{2}: Put target card from your graveyard on the bottom of your library.

Counter target spell that targets a permanent you control.

Wandering Fumarole enters the battlefield tapped.

{T}: Add {U} or {R}.

{2}{U}{R}: Until end of turn, Wandering Fumarole becomes a 1/4 blue and red Elemental creature with "{0}: Switch this creature's power and toughness until end of turn." It's still a land.

When Whirler Virtuoso enters the battlefield, you get {E}{E}{E} (three energy counters).

Pay {E}{E}{E}: Create a 1/1 colorless Thopter artifact creature token with flying.