Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash.

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

Flying When this creature enters, untap up to two lands. Cycling {2} ({2}, Discard this card: Draw a card.)

When this creature enters, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.

{T}: Exile target land card from a graveyard. Add one mana of any color. {B}, {T}: Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life. {G}, {T}: Exile target creature card from a graveyard. You gain 2 life.

Exile a creature you control: Add X mana of any one color, where X is 1 plus the exiled creature's mana value. Spend this mana only to cast creature spells.

Whenever this creature or another Elemental you control enters, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand.

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

Kicker—Return a creature you control to its owner's hand. (You may return a creature you control to its owner's hand in addition to any other costs as you cast this spell.) If this creature was kicked, it enters with a +1/+1 counter on it.

When this creature enters, return a permanent you control to its owner's hand.

Flying When this creature enters, sacrifice it unless you return another creature you control to its owner's hand.

Flash (You may cast this spell any time you could cast an instant.) Flying When this creature enters, sacrifice it unless you return another creature you control to its owner's hand.

You may cast this card from exile. When this creature becomes the target of a spell or ability an opponent controls, exile this creature.

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

Flying You may cast this card from exile.

Counter target instant spell.

This spell can't be countered. Destroy target nonland permanent with mana value 3 or less.

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

{1}{G}, Sacrifice this creature: Destroy target artifact or enchantment.

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land of their choice. If the player does, they may copy this spell and may choose a new target for that copy.

When this creature enters, return target creature to its owner's hand.

Destroy target artifact or enchantment. Its controller gains 4 life.

When this creature enters, if you control a blue permanent, return target nonland permanent to its owner's hand.

Flash Flying When this creature enters, counter target spell with mana value X or less, where X is the number of Faeries you control.

When Acererak enters, if you haven't completed Tomb of Annihilation, return Acererak to its owner's hand and venture into the dungeon. Whenever Acererak attacks, for each opponent, you create a 2/2 black Zombie creature token unless that player sacrifices a creature of their choice.

Flying, deathtouch When this creature enters, draw a card.

{T}: For each color among permanents you control, add one mana of that color.

At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.

Creature and enchantment spells you control can't be countered. {3}{G}: Target land you control becomes an X/X Elemental creature with trample and haste until end of turn, where X is the number of enchantments you control. It's still a land.

{T}: Add {B}. This creature deals 1 damage to you.

When Fblthp enters, draw a card. If it entered from your library or was cast from your library, draw two cards instead. When Fblthp becomes the target of a spell, shuffle Fblthp into its owner's library.

{T}: Add {G}.

Flying When this creature enters, if you control a black permanent, target player loses 2 life and you gain 2 life.

When this creature enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Whenever another creature you control enters, you gain 1 life.

When this creature enters, you may destroy target artifact or enchantment.

When this creature enters, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

({T}: Add {B} or {G}.)

({T}: Add {G} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Whenever this land becomes tapped, it deals 1 damage to you. {T}: Add one mana of any color.

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

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

{T}: Add {G} for each creature you control.

If this card is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand. {T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.

As this land enters, you may reveal an Elf card from your hand. If you don't, this land enters tapped. {T}: Add {B} or {G}.

{T}: Add {C}. {T}: Add {B} or {G}. This land deals 1 damage to you.

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

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

{T}, Pay 1 life: Add {B} or {G}. {1}, {T}, Sacrifice this land: Draw a card.

({T}: Add {B} or {G}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

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

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

({T}: Add {G}.)

({T}: Add {U}.)

({T}: Add {B}.)

At the beginning of the end step, if you control no creatures, sacrifice this land. {T}: Add one mana of any color.

({T}: Add {G} or {U}.)

{T}: Add {C}. {T}: Add {U} or {B}. This land deals 1 damage to you.

({T}: Add {U} or {B}.)

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

{T}, Pay 1 life: Add {G} or {U}. {1}, {T}, Sacrifice this land: Draw a card.

({T}: Add {U} or {B}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Look at the top six cards of your library. Put up to two creature cards with mana value 3 or less from among them onto the battlefield. Put the rest on the bottom of your library in any order.

When this creature enters, draw a card.

Flash Flying When this creature enters, draw a card. This creature has deathtouch as long as you control at least three other snow permanents.

When this creature enters, look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Defender When this creature enters, draw a card.

Flying When this creature enters, return a blue or black creature you control to its owner's hand. Pay 1 life: Return this creature to its owner's hand.

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.) Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

Choose a card name. Exile the top six cards of your library, then reveal cards from the top of your library until you reveal a card with the chosen name. Put that card into your hand and exile all other cards revealed this way.

Search your library for a card, put that card into your hand, then shuffle.

Search target player's library for a card and exile it. Then that player shuffles.

Search your library and/or graveyard for a creature card with mana value X or less and put it onto the battlefield. If you search your library this way, shuffle. If X is 10 or more, creatures you control get +X/+X and gain haste until end of turn.

Search your library for three cards, exile them, then shuffle. Draw a card at the beginning of the next turn's upkeep.

Look at the top five cards of your library. As many times as you choose, you may pay 1 life, put those cards on the bottom of your library in any order, then look at the top five cards of your library. Then shuffle and put the last cards you looked at this way on top in any order.

Search your library for three cards, exile them, then shuffle. Draw a card.

When this creature enters, you may search your library for an instant or sorcery card with mana value 2 or less, reveal it, put it into your hand, then shuffle.