Flying Lure the Unwary — At the beginning of combat on your turn, choose an opponent. Creatures attacking the last chosen player get +1/+0.

Flash Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Flying Other white creatures get +1/+1.

Whenever another nontoken creature enters the battlefield under your control, bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)

{0}: Return Blinking Spirit to its owner's hand.

Flash (You may cast this spell any time you could cast an instant.) When Drogskol Shieldmate enters the battlefield, other creatures you control get +0/+1 until end of turn.

Flash (You may cast this spell any time you could cast an instant.) Flying When Hollowhenge Spirit enters the battlefield, remove target attacking or blocking creature from combat.

Flying, vigilance When Ao, the Dawn Sky dies, choose one — • Look at the top seven cards of your library. Put any number of nonland permanent cards with total mana value 4 or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order. • Put two +1/+1 counters on each permanent you control that's a creature or Vehicle.

Flying Whenever you cast a creature spell with mana value 3 or less, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Commander creatures you own have "Whenever you cast a spell that shares a creature type with this creature, draw a card. This ability triggers only once each turn."

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

Target creature gets +1/+0 and gains first strike until end of turn. Splice onto Arcane—Tap an untapped white creature you control. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Emeria, the Sky Ruin enters the battlefield tapped. At the beginning of your upkeep, if you control seven or more Plains, you may return target creature card from your graveyard to the battlefield. {T}: Add {W}.

{T}: Add {C}. {T}, Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Karoo enters the battlefield tapped. When Karoo enters the battlefield, sacrifice it unless you return an untapped Plains you control to its owner's hand. {T}: Add {C}{W}.

Myriad Landscape enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{T}: Add {C}. {2}, {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.)

Path of Ancestry enters the battlefield 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 {W}.)

{T}: Add {C}{C}. Activate only if you control five or more lands.

Whenever a creature enters the battlefield under your control, you gain 1 life.

Whenever a creature enters the battlefield under your control, you gain life equal to its toughness.

Whenever another creature enters the battlefield, you gain 1 life.

Choose a creature type. Creatures you control of the chosen type get +1/+0 and gain indestructible until end of turn.

Target creature you control gains protection from the color of your choice until end of turn. Splice onto Arcane {W} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Prevent all noncombat damage that would be dealt to you and creatures you control. Whenever a nontoken creature enters the battlefield under your control, create a 2/2 white Unicorn creature token.

Prevent all damage that would be dealt by creatures this turn.

Flash Vigilance When Guardian of Faith enters the battlefield, any number of other target creatures you control phase out. (Treat them and anything attached to them as though they don't exist until their controller's next turn.)

Sacrifice Kami of False Hope: Prevent all combat damage that would be dealt this turn.

Commander creatures you own have "When this creature enters the battlefield and at the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. For each opponent who does, you gain protection from that player until your next turn." (You can't be targeted, dealt damage, or enchanted by anything controlled by that player.)

Flying Sacrifice Selfless Spirit: Creatures you control gain indestructible until end of turn.

Whenever a nontoken creature enters the battlefield under your control, you may pay {W}. If you do, create a 1/1 white Spirit creature token with flying. {1}{W}, Sacrifice a Spirit: Target non-Spirit creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

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

When Archaeomancer's Map enters the battlefield, search your library for up to two basic Plains cards, reveal them, put them into your hand, then shuffle. Whenever a land enters the battlefield under an opponent's control, if that player controls more lands than you, you may put a land card from your hand onto the battlefield.

As Heraldic Banner enters the battlefield, choose a color. Creatures you control of the chosen color get +1/+0. {T}: Add one mana of the chosen color.

Arcane spells you cast cost {1} less to cast. Spirit creatures you control get +1/+1.

Marble Diamond enters the battlefield tapped. {T}: Add {W}.

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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

Flying At the beginning of your upkeep, return target Spirit card from your graveyard to your hand.

Choose two — • Destroy all artifacts. • Destroy all enchantments. • Destroy all creatures with mana value 3 or less. • Destroy all creatures with mana value 4 or greater.

Destroy all enchantments.

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

Flying When Hanged Executioner enters the battlefield, create a 1/1 white Spirit creature token with flying. {3}{W}, Exile Hanged Executioner: Exile target creature.

Destroy all creatures. They can't be regenerated. Threshold — If seven or more cards are in your graveyard, instead destroy all creatures, then create two 1/1 white Spirit creature tokens with flying. Creatures destroyed this way can't be regenerated.

When Nikko-Onna enters the battlefield, destroy target enchantment. Whenever you cast a Spirit or Arcane spell, you may return Nikko-Onna to its owner's hand.

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 enchantment.

Flying Sacrifice Remorseful Cleric: Exile target player's graveyard.

When Skyclave Apparition enters the battlefield, exile up to one target nonland, nontoken permanent you don't control with mana value 4 or less. When Skyclave Apparition leaves the battlefield, the exiled card's owner creates an X/X blue Illusion creature token, where X is the mana value of the exiled card.

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

Whenever you cast your second spell each turn, create a 1/1 white Spirit creature token with flying.

Flying Whenever another Spirit enters the battlefield under your control, you gain 2 life. {3}{W}: Create a 1/1 white Spirit creature token with flying.

Whenever a nontoken creature enters the battlefield, if Genesis Chamber is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.

Flying Whenever you cast a Spirit or Arcane spell, create a 3/3 white Spirit creature token with flying.