You may have Sakashima enter as a copy of another creature you control, except it has Sakashima's other abilities. The "legend rule" doesn't apply to permanents you control. Partner (You can have two commanders if both have partner.)

Whenever an opponent casts a spell, Kaervek deals damage equal to that spell's mana value to any target.

You may have this creature enter as a copy of any nonland permanent on the battlefield.

You may have this creature enter as a copy of a creature you control.

Raid — If you attacked this turn, you may have this creature enter as a copy of any creature on the battlefield.

Create a token that's a copy of target creature you control. Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flash When this creature enters, copy target instant or sorcery spell. You may choose new targets for the copy.

At the beginning of your upkeep, create a token that's a copy of another target nonland permanent you control.

Haste {T}: Create a token that's a copy of target nonlegendary creature you control, except it has haste. Sacrifice it at the beginning of the next end step.

{2}: This artifact becomes a copy of target artifact, creature, enchantment, or land until end of turn.

The "legend rule" doesn't apply to permanents you control. Each legendary creature you control gets +1/+1. Each nontoken creature you control gets +1/+1 for each other creature you control with the same name as that creature.

Flash When Naru Meha enters, copy target instant or sorcery spell you control. You may choose new targets for the copy. Other Wizards you control get +1/+1.

Create a token that's a copy of target creature you control. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Choose one or both — • Create a token that's a copy of target artifact. • Create a token that's a copy of target creature, except it's an artifact in addition to its other types.

{U}{R}, {T}: Create a token that's a copy of another target creature or artifact you control, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step.

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Target opponent chooses a creature they control. You gain control of it. • Choose a creature you control. Each other creature you control becomes a copy of that creature until end of turn.

Commander creatures you own have "{2}{U}: This creature becomes a copy of another target creature."

You may have this creature enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

Create a token that's a copy of target artifact or creature. 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.)

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

Roll two d8 and choose one result. Draw cards equal to that result. Then you may cast an instant or sorcery spell with mana value less than or equal to the other result from your hand without paying its mana cost.

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

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.

Whenever Etali attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost. Draw two cards.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.) Draw a card.

Target player draws cards equal to half the number of cards in their library and loses half their life. Round up each time.

Choose up to five {P} worth of modes. You may choose the same mode more than once. {P} — Draw a card. {P}{P} — Choose an artifact or creature you control. Create a token that's a copy of it. {P}{P}{P} — Return each nonland, nontoken permanent to its owner's hand.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Draw three cards.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {B} or {R}.

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

This land enters tapped. {T}: Add {U} or {R}.

({T}: Add {U}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{R}.

Hexproof This land enters tapped. When this land enters, sacrifice two lands. {T}: Add three mana of any one color.

({T}: Add {R}.)

{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 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.

This land enters 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 {B}.)

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {R}.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

This land enters tapped. {T}: Add {B} or {R}. {2}{B}{R}, {T}, Sacrifice this land: Draw a card.

This artifact enters tapped. {T}: Add {B}.

Haste {1}, {T}: Add {U}{B}{R}. Spend this mana only to cast instant and/or sorcery spells. When Cormela dies, return up to one target instant or sorcery card from your graveyard to your hand.

Indestructible (Effects that say "destroy" don't destroy this artifact.) {T}: Add one mana of any color.

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

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

You may cast spells from your hand without paying their mana costs.

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

Add {R}{R}{R}{R}{R}.

This artifact enters tapped. {T}: Add {U}.

During your turn, you may cast instant and sorcery spells from your graveyard by paying 1 life in addition to their other costs. If a card or token would be put into your graveyard from anywhere, exile it instead. {1}{R}: Sacrifice this enchantment.

Spells can't be countered. Each instant and sorcery card in your graveyard has flashback. The flashback cost is equal to that card's mana cost.

Return target nonland permanent to its owner's hand. Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

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

Undaunted (This spell costs {1} less to cast for each opponent.) Exile two target creatures. For each of those creatures, its controller reveals cards from the top of their library until they reveal a creature card, puts that card onto the battlefield, then shuffles the rest into their library.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Jaya's Immolating Inferno deals X damage to each of up to three targets.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Counter target spell unless its controller pays {X}.

Choose one — • Look at the top five cards of your library. Put one of those cards into your hand and the rest into your graveyard. • Each opponent loses 3 life and you gain 3 life. • Maestros Charm deals 5 damage to target creature or planeswalker.

Magmaquake deals X damage to each creature without flying and each planeswalker.

Choose target nonlegendary creature. The next time one or more creatures or planeswalkers enter this turn, they enter as copies of the chosen creature. Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

+2: Target opponent exiles cards from the top of their library until they exile a nonland card. Until end of turn, you may cast that card without paying its mana cost. +1: Each opponent exiles two cards from their hand. −4: Nicol Bolas deals 7 damage to target opponent, creature an opponent controls, or planeswalker an opponent controls. −12: Exile each nonland permanent your opponents control.

Exile target artifact or creature. Its controller creates a 1/1 blue Bird creature token with flying. Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

Counter target spell. Create X Treasure tokens, where X is that spell's mana value. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

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.