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

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

This land enters tapped unless you control a Plains or an Island. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) This land enters tapped. Cycling {2} ({2}, 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.

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.)

As this land enters, you may reveal a Plains or Island card from your hand. If you don't, this land enters tapped. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) This land enters tapped unless you control two or more basic lands.

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

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

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

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

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

You have no maximum hand size. {T}: Add one mana of any color.

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

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

{T}: Put a charge counter on this artifact. {T}: Each player draws a card for each charge counter on this artifact.

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

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

{T}: Add {C}. {T}: Add {W} or {U}. This artifact deals 1 damage to you.

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

At the beginning of each player's draw step, that player may draw an additional card. If they do, spells they cast this turn cost {2} more to cast.

Whenever you draw a card, put a +1/+1 counter on this creature. When this creature dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on this creature. (They can't be blocked as long as defending player controls an Island.)

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) As long as you have the city's blessing, Detectives you control can't be blocked. Whenever you draw your second card each turn, create a 2/2 white and blue Detective creature token.

Devoid (This card has no color.) Flying Whenever you draw your second card each turn, create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add {C}."

At the beginning of your end step, choose an opponent. At the beginning of that player's next end step, you draw a card if they didn't attack you that turn. Otherwise, create three 1/1 white Human Soldier creature tokens.

{W}{U}, {T}: Put a bribery counter on target creature you don't control. Its controller draws a card. Creatures with bribery counters on them can't attack or block.

Protection from Assassins Other Knights you control get +2/+2 and have protection from Assassins. When Haytham Kenway enters, for each opponent, exile up to one target creature that player controls until Haytham Kenway leaves the battlefield.

Whenever you draw your second card each turn, create a token that's a copy of this creature.

At the beginning of each player's draw step, that player draws an additional card.

First strike When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

{T}: Each player may draw a card, then each player who drew a card this way gains 1 life.

Other Knights you control get +1/+1. {W}{U}, {T}: Tap another target creature.

Whenever another creature you control with power 2 or less enters, you may pay {1}. If you do, draw a card.

Flying Whenever you draw your second card each turn, create a 1/1 blue Faerie creature token with flying.

Whenever you draw your second card each turn, create a 1/1 white Human Soldier creature token.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

Alliance — Whenever another creature you control enters, scry 1. If this is the second time this ability has resolved this turn, draw a card instead.

Flying, vigilance Silverwing Squadron's power and toughness are each equal to the number of creatures you control. Whenever this creature attacks, create a number of 2/2 white Knight creature tokens with vigilance equal to the number of opponents you have.

Vigilance Whenever this creature enters or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.

Other Knights you control get +1/+1. {3}{W}{W}: Knights you control gain double strike until end of turn.

Whenever you draw a card, put a +1/+1 counter on each other Merfolk and/or Knight you control.

Flying Whenever one or more other creatures you control with power 2 or less enter, draw a card. This ability triggers only once each turn.

Choose a number between 0 and 10. Destroy all creatures with power greater than or equal to the chosen number.

Destroy all creatures with power greater than target creature's power.

Spree (Choose one or more additional costs.) + {1} — Destroy target artifact. + {1} — Destroy target enchantment. + {1} — Put a +1/+1 counter on each creature target player controls.

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

Flash (You may cast this spell any time you could cast an instant.) At the beginning of each player's draw step, that player draws an additional card.

Commander creatures you own have "Creature tokens you control get +2/+2."

Creature tokens you control get +1/+1 and have vigilance.

Creatures you control get +X/+X, where X is the number of cards you've drawn this turn.

Whenever you draw a card, put a foreshadow counter on this enchantment. Remove eight foreshadow counters from this enchantment: Create an 8/8 blue Kraken creature token. Cycling {2} ({2}, Discard this card: Draw a card.)

At the beginning of your upkeep, sacrifice this enchantment unless you discard a card. Skip your draw step. You have shroud. (You can't be the target of spells or abilities.) Prevent all damage that would be dealt to you.

When this enchantment enters, draw two cards. At the beginning of each other player's draw step, that player draws an additional card. At the beginning of your draw step, draw two additional cards.

Return all attacking creatures to their owner's hand.

Counter target spell.

Draw a card. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Counter target spell with mana value 4 or greater.

Counter target spell. Its controller draws a card. Draw a card.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Counter target noncreature spell.

The owner of target nonland permanent shuffles it into their library, then draws two cards.

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

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Populate. Creatures you control gain indestructible until end of turn. (To populate, create a token that's a copy of a creature token you control.)

Exile target creature. Its controller gains life equal to its power.

Creatures you control gain indestructible until end of turn. Addendum — If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.