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.)

Body of Knowledge's power and toughness are each equal to the number of cards in your hand. You have no maximum hand size. Whenever this creature is dealt damage, draw that many cards.

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

Flying Whenever an opponent draws a card, you may draw two cards.

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

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

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

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.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as Deadeye Navigator is paired with another creature, each of those creatures has "{1}{U}: Exile this creature, then return it to the battlefield under your control."

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

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

Nyx Lotus enters tapped. {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

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

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

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 any creature on the battlefield.

You may have this creature enter as a copy of a creature you control, except it has "{2}{U}{U}: Return this creature to its owner's hand."

Flash You may have this creature enter as a copy of a creature an opponent controls, except it has "Other creatures with the same name as this creature are goaded." (They attack each combat if able and attack a player other than you if able.)

You may have this creature enter as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."

({U/P} can be paid with either {U} or 2 life.) You may have this creature enter as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

You may have this creature enter as a copy of any creature on the battlefield, except it's 7/7.

You may have Sakashima the Impostor enter as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it's legendary in addition to its other types, and it has "{2}{U}{U}: Return Sakashima the Impostor to its owner's hand at the beginning of the next end step."

Flash Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.) You may have this creature enter as a copy of any permanent that entered this turn.

Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) You may have this creature enter as a copy of any creature on the battlefield, except it's a Ninja in addition to its other creature types.

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

You may have this creature enter as a copy of any creature on the battlefield, except it enters with a shield counter on it if you control that creature. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

You may have this creature enter as a copy of any creature on the battlefield, except it doesn't copy that creature's color and it has "At the beginning of your upkeep, you may have this creature become a copy of target creature, except it doesn't copy that creature's color and it has this ability."

You may have this creature enter as a copy of any creature on the battlefield, except if this creature was embalmed, the token has no mana cost, it's white, and it's a Zombie in addition to its other types. Embalm {3}{U}{U}

This land enters tapped unless you control an Island. {T}: Add {U}. {2}{U}{U}, {T}: Scry 2.

Dark Depths enters with ten ice counters on it. {3}: Remove an ice counter from Dark Depths. When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

({T}: Add {U}.)

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

{T}: Add {U}.

This land enters tapped. {T}: Add {U}. {1}{U}, {T}, Sacrifice this land: Draw a card.

Gain control of target creature with mana value X or less. If X is 5 or more, create a token that's a copy of that creature.

Enchant creature You control enchanted creature.

Counter target spell.

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

Counter target creature spell.

Return all nonland permanents to their owners' hands. If you return four or more nontoken permanents you control this way, you may put a permanent card from your hand onto the battlefield.

Flying When Keiga dies, gain control of target creature.

Counter target noncreature spell.

Flying When this creature enters, gain control of target creature for as long as this creature remains on the battlefield.

Choose one or more — • Counter target spell. • Counter target activated or triggered ability. • Return target nonland permanent to its owner's hand. • Create a token that's a copy of target creature you control. • Target player draws a card.

When you cast this spell, exile two target permanents. Indestructible Whenever Ulamog attacks, defending player exiles the top twenty cards of their library.

When you cast this spell, destroy target permanent. Indestructible Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents of their choice.) When Ulamog is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

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.)

Enchant creature At the beginning of your upkeep, create a token that's a copy of enchanted creature.

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

The "legend rule" doesn't apply.

You may have this enchantment enter as a copy of any artifact or enchantment on the battlefield.

You may have this creature enter as a copy of any creature on the battlefield, except it's a Pirate in addition to its other types and it has "Whenever this creature or another creature with the same name deals combat damage to a player, you draw a card."

As this enchantment enters, choose a creature type. Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.)

Whenever another creature you control enters, you may have this creature become a copy of that creature until end of turn. (If it does, it loses this ability for the rest of the turn.)

Kicker {5} (You may pay an additional {5} as you cast this spell.) Create a token that's a copy of target creature. If this spell was kicked, create five of those tokens instead.

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.

You may have this artifact enter as a copy of any artifact on the battlefield.

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.

For each opponent, gain control of target permanent that player controls.

Counter target spell unless its controller pays {6}.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.