Jace, Mono Blue

Counter target spell.

{T}: Add {C}.

{T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.

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

Sacrifice Commander's Sphere: Draw a card.

Whenever a player casts a blue spell, you may pay {1}. If you do, you gain 1 life.

Return target nonland permanent you don't control to its owner's hand.

Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Indestructible

{T}: Add one mana of any color.

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

Flying

Whenever you cast an instant or sorcery spell, create a 1/1 blue Human Wizard creature token. Then if you control three or more Wizards, transform Docent of Perfection.

Flying

When Dream Thief enters the battlefield, draw a card if you've cast another blue spell this turn.

Whenever a player casts a blue spell, you may pay {1}. If you do, target player mills two cards.

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

{T}: Add {C}.

{4}, {T}, Sacrifice Encroaching Wastes: Destroy target nonbasic land.

Counter target creature spell.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)

Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked.

{T}: Add {C} for each charge counter on Everflowing Chalice.

{T}: Add three mana of any one color.

Return up to two target creatures to their owner's hand.

Search your library and/or graveyard for a card named Jace, Ingenious Mind-Mage, reveal it, and put it into your hand. If you searched your library this way, shuffle.

Strive — This spell costs {1}{U} more to cast for each target beyond the first.

Exile any number of target creatures. For each creature exiled this way, its controller creates a 4/4 blue Sphinx creature token with flying.

Cast this spell only during the declare blockers step on an opponent's turn.

Remove all attacking creatures from combat and untap them. After this phase, there is an additional combat phase. Each of those creatures attacks that combat if able. They can't attack you or planeswalkers you control that combat.

Enchant creature, land, or planeswalker

Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.

({T}: Add {U}.)

[+2]: Each player draws a card.

[−1]: Target player draws a card.

[−10]: Target player mills twenty cards.

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

Whenever you draw a card, you may have target player mill a card.

Draw three cards.

Whenever you draw a card, put a +1/+1 counter on Jace's Projection.

{3}{U}: Put a loyalty counter on target Jace planeswalker.

Return up to two target creatures to their owner's hand. You may search your library and/or graveyard for a card named Jace, Arcane Strategist, reveal it, and put it into your hand. If you search your library this way, shuffle.

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

Whenever you cast an instant or sorcery spell, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Draw two cards. If you control a Jace planeswalker, draw three cards instead.

Whenever you draw your second card each turn, put a +1/+1 counter on target creature you control.

[+1]: Draw a card.

[−7]: Creatures you control can't be blocked this turn.

[+1]: Until your next turn, whenever a creature an opponent controls attacks, it gets -1/-0 until end of turn.

[−2]: Reveal the top three cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other on the bottom of your library in any order.

[−8]: For each player, search that player's library for a nonland card and exile it, then that player shuffles. You may cast those cards without paying their mana costs.

[+1]: Whenever one or more creatures you control deal combat damage to a player this turn, draw a card, then discard a card.

[−2]: Create a 2/2 blue Illusion creature token with "When this creature becomes the target of a spell, sacrifice it."

[−5]: Create two tokens that are copies of Jace, Cunning Castaway, except they're not legendary.

[+1]: Draw a card.

[+1]: Untap all creatures you control.

[−9]: Gain control of up to three target creatures.

[+1]: Draw a card. Target player mills a card.

[0]: Target player mills ten cards.

[−7]: Any number of target players each draw twenty cards.

[+1]: Look at the top two cards of your library. Put one of them into your graveyard.

[−3]: Return another target nonland permanent to its owner's hand.

[−8]: Each player shuffles their hand and graveyard into their library. You draw seven cards.

[+2]: Look at the top card of target player's library. You may put that card on the bottom of that player's library.

[0]: Draw three cards, then put two cards from your hand on top of your library in any order.

[−1]: Return target creature to its owner's hand.

[−12]: Exile all cards from target player's library, then that player shuffles their hand into their library.

[+1]: Scry 1, then draw a card.

[−2]: Return target creature to its owner's hand.

[−8]: You get an emblem with "Whenever an opponent casts their first spell each turn, counter that spell."

{T}: Draw a card, then discard a card. If there are five or more cards in your graveyard, exile Jace, Vryn's Prodigy, then return him to the battlefield transformed under his owner's control.

If you would draw a card while your library has no cards in it, you win the game instead.

[+1]: Target player mills two cards. Draw a card.

[−8]: Draw seven cards. Then if your library has no cards in it, you win the game.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)

Target player takes an extra turn after this one. Return up to one target nonland permanent to its owner's hand. Exile Karn's Temporal Sundering.

Whenever a player casts a blue spell, you may gain 1 life.

Draw a card.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Suspend 3—{0} (Rather than cast this card from your hand, pay {0} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

{T}, Sacrifice Lotus Bloom: Add three mana of any one color.

At the beginning of your upkeep, you may put a petal counter on Lotus Blossom.

{T}, Sacrifice Lotus Blossom: Add X mana of any one color, where X is the number of petal counters on Lotus Blossom.

If Lotus Vale would enter the battlefield, sacrifice two untapped lands instead. If you do, put Lotus Vale onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add three mana of any one color.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

{1}{U}{U}: Target permanent becomes an artifact in addition to its other types. (This effect lasts indefinitely.)

{3}{U}: Gain control of target artifact. (This effect lasts indefinitely.)

Cast this spell only during the declare blockers step.

For each creature attacking you or a planeswalker you control, create a token that's a copy of that creature and that's blocking that creature. Exile those tokens at end of combat.

When Oath of Jace enters the battlefield, draw three cards, then discard two cards.

At the beginning of your upkeep, scry X, where X is the number of planeswalkers you control.

{T}: Add {C}.

{1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

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 of your library.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

{T}: Add {C}.

Look at the top three cards of your library, then put them back in any order. You may shuffle.

Draw a card.

{T}: Add {C}. You gain 1 life.

Return up to one target instant card and up to one target sorcery card from your graveyard to your hand. Exile Pull from the Deep.

Draw X cards, then discard a card.

You have no maximum hand size.

{T}: Add {C}.

Whenever a creature attacks you or a planeswalker you control, that creature's controller mills two cards.

Blue spells you cast cost {1} less to cast.

Exchange control of two target permanents that share a card type. (Artifact, creature, enchantment, land, and planeswalker are card types.)

At the beginning of your upkeep or whenever you cast a blue spell, put a charge counter on Shrine of Piercing Vision.

{T}, Sacrifice Shrine of Piercing Vision: Look at the top X cards of your library, where X is the number of charge counters on Shrine of Piercing Vision. Put one of those cards into your hand and the rest on the bottom of your library in any order.

Whenever you cast a noncreature spell, you may pay {1}{U}. If you do, create a 2/2 blue Djinn Monk creature token with flying.

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

Flying

Sacrifice Spiketail Drakeling: Counter target spell unless its controller pays {2}.

Whenever you cast a blue spell or an Island enters the battlefield under your control, you gain 1 life.

Choose one —

• Counter target spell unless its controller pays {3}.

• Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Flash

Creature cards you own that aren't on the battlefield have flash.

Each opponent can cast spells only any time they could cast a sorcery.

[+1]: 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.

[−1]: Untap up to four target permanents.

[−10]: You get an emblem with "You may activate loyalty abilities of planeswalkers you control on any player's turn any time you could cast an instant."

Teferi, Temporal Archmage can be your commander.

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

Return target creature to its owner's hand.

Enchant creature

Enchanted creature gets +2/+2, has flying, and can't attack you or planeswalkers you control.

[+2]: Until your next turn, up to two target creatures each have base power and toughness 0/3 and lose all abilities.

[−2]: Target player draws two cards. Until your next turn, instant, sorcery, and planeswalker spells that player casts cost {2} less to cast.

[−8]: Target player gets an emblem with "Whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy."

Partner with Rowan Kenrith

Will Kenrith can be your commander.