Creatures can't attack a player unless that player cast a spell or put a nontoken permanent onto the battlefield during their last turn.

Gift a card (You may promise an opponent a gift as you cast this spell. If you do, they draw a card before its other effects.) You and permanents you control gain hexproof until end of turn. If the gift was promised, permanents you control also gain indestructible until end of turn.

Prevent all combat damage that would be dealt this turn.

Defender (This creature can't attack.) Flying Prevent all combat damage that would be dealt to and dealt by this creature.

Prevent all combat damage that would be dealt this turn. Cycling {2} ({2}, Discard this card: Draw a card.)

You have hexproof. (You can't be the target of spells or abilities your opponents control.) If a creature would deal damage to you, prevent 1 of that damage.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Prevent all combat damage that would be dealt this turn. You gain 1 life for each attacking creature.

You gain 1 life for each creature your opponents control. Prevent all damage that would be dealt to you this turn.

{T}: Add {W} or {U}. {W}{U}, {T}, Sacrifice this artifact: Draw a card.

You may play two additional lands on each of your turns.

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

Join forces — Starting with you, each player may pay any amount of mana. Each player searches their library for up to X basic land cards, where X is the total amount of mana paid this way, puts them onto the battlefield tapped, then shuffles.

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

Flash Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

You may play an additional land on each of your turns. Lands you control are every basic land type in addition to their other types.

{T}: Add {G}.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Each player may play an additional land on each of their turns. At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.

When this creature enters, each player may search their library for a basic land card, reveal it, put it into their hand, then shuffle.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {T}: Add {G}, {W}, or {U}.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{T}: Add {G} or {W}. {G}{W}, {T}, Sacrifice this artifact: Draw a card.

Each player may put an artifact, creature, enchantment, or land card from their hand onto the battlefield.

{T}: Add {G} or {U}. {G}{U}, {T}, Sacrifice this artifact: Draw a card.

{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.

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.

Flying At the beginning of your end step, choose a player. They put two +1/+1 counters on a creature they control. Choose a second player to draw a card. Then choose a third player to create two Treasure tokens.

At the beginning of each player's draw step, if this artifact is untapped, that player draws an additional card.

+2: Each player draws a card. −1: Target player draws a card. −10: Target player mills twenty cards.

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

Vigilance Whenever you cast a spell, target opponent draws a card. Put a +1/+1 counter on target creature. It gains flying until end of turn. If this is the second time this ability has resolved this turn, you draw two cards.

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

Defender Sokrates has hexproof as long as it's untapped. Sokratic Dialogue — {T}: Until end of turn, target creature gains "If this creature would deal combat damage to a player, prevent that damage. This creature's controller and that player each draw half that many cards, rounded down."

Flying If a source would deal damage to this creature, prevent that damage. The source's controller draws cards equal to the damage prevented this way.

Players have no maximum hand size. How Civil of You — At the beginning of your end step, each player may draw a card. Each opponent who does can't attack you or permanents you control during their next turn.

When this creature enters, you may return target card from your graveyard to your hand.

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

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

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

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

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

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

({T}: Add {G}.)

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

({T}: Add {U}.)

{T}, Pay 1 life: Add one mana of any color.

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

{T}, Pay 1 life, Sacrifice this land: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

({T}: Add {W}.)

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

This land enters tapped. {T}: Add {G}, {W}, or {U}.

This land enters tapped. {T}: Add {G} or {W}.

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

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

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

This land enters tapped. {T}: Add {G} or {W}.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

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

Return all attacking creatures to their owner's hand.

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

Enchant creature Enchanted creature is an Insect artifact creature with base power and toughness 0/1 and has indestructible, and it loses all other abilities, card types, and creature types.

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

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

Gift a card (You may promise an opponent a gift as you cast this spell. If you do, they draw a card before its other effects.) Counter target creature spell. If the gift was promised, instead counter target spell.

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

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

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

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

{T}: Put a charge counter on this artifact. {T}: Target player mills X cards, where X is the number of charge counters on this artifact.

Shuffle all cards from your graveyard into your library. Target player mills that many cards.

Whenever a player casts a spell, that player returns a land they control to its owner's hand.