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.

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

Magecraft — Whenever you cast or copy an instant or sorcery spell, draw a card.

When this creature enters, look at the top three cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Tap an untapped Wizard you control: Draw a card.

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

Target player draws two cards. Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.

Choose a creature type. Draw a card for each permanent you control of that type.

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

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

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.

Look at the top X cards of your library, where X is the amount of mana spent to cast this spell. Put two of them into your hand and the rest on the bottom of your library in a random order. Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

Each opponent can't draw more than one card each turn. −2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

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

When this creature enters 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.

Draw X cards, then discard a card.

Draw two cards.

Whenever a creature you control deals combat damage to a player, you may draw a card. Cycling {2} ({2}, Discard this card: Draw a card.)

Return all attacking creatures to their owner's hand.

Counter target spell. If that spell targets a commander you control, instead counter that spell, scry 2, then draw a card.

{2}{U}, {T}: Reveal any number of blue cards in your hand. Counter target spell unless its controller pays {1} for each card revealed this way.

Choose one — • Counter target artifact or enchantment spell. If a spell is countered this way, exile it instead of putting it into its owner's graveyard. • Counter target activated or triggered ability.

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may shuffle up to four target cards from your graveyard into your library.

Counter target creature spell. Draw a card.

You may discard an Island card and another card rather than pay this spell's mana cost. Counter target spell.

Target player returns each commander they control from the battlefield to the command zone. Draw a card.

Casualty 1 (As you cast this spell, you may sacrifice a creature with power 1 or greater. When you do, copy this spell and you may choose a new target for the copy.) Counter target spell unless its controller pays {2}.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Counter target noncreature spell.

Whenever you cast a noncreature spell, you may pay {1}. If you do, tap target creature an opponent controls and it doesn't untap during its controller's next untap step.

Return target creature to its owner's hand. Untap up to two lands.

Counter target activated ability, triggered ability, or legendary spell.

{T}: Add {C}. {2}, {T}, Sacrifice this land: Destroy target nonbasic land an opponent controls. That land's controller may search their library for a basic land card, put it onto the battlefield, then shuffle. You may search your library for a basic land card, put it onto the battlefield, then shuffle.

This land enters tapped. {T}: Add {U}. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

({T}: Add {U}.)

This land enters tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

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

({T}: Add {U}.) This land enters tapped unless you control three or more other Islands. When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

This land enters tapped. {T}: Add {U}. Cycling {2} ({2}, Discard this card: Draw a card.)

Creatures with power 3 or greater don't untap during their controllers' untap steps.

You may return an Island you control to its owner's hand rather than pay this spell's mana cost. Counter target spell unless its controller pays {1}.

Counter target instant or sorcery spell unless its controller pays {1}. Draw a card.

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

As this artifact enters, choose a color. Creatures you control of the chosen color get +1/+0. {T}: Add one mana of the chosen color.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

Instant and sorcery spells you cast cost {1} less to cast. Whenever you cast an instant or sorcery spell, scry 1.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

Flash At the beginning of your upkeep, put an oil counter on this artifact. Instant and sorcery spells you cast cost {1} less to cast for each oil counter on this artifact.

Flying When this creature enters, untap up to five lands.

You have no maximum hand size. {T}: Add {C}.

Flying Instant and sorcery spells you cast cost {1} less to cast. {2}{U}, Sacrifice this creature: When you next cast an instant or sorcery spell this turn, copy it for each time you've cast your commander from the command zone this game. You may choose new targets for the copies.

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

When this creature enters, you may search your library for an instant or sorcery card with mana value 1, reveal it, put it into your hand, then shuffle.

Counter target instant or sorcery spell. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

When this creature enters, return target instant or sorcery card from your graveyard to your hand.