, Discard a card: Put a +1/+1 counter on Flowstone Sculpture or Flowstone Sculpture gains flying, first strike, or trample. <I>(This effect lasts indefinitely.)</I>

: Flowstone Thopter gets +1/-1 and gains flying until end of turn.

Flying

: Flowstone Wyvern gets +2/-2 until end of turn.

Vigilance

: Add one mana of any color. Activate only if Flywheel Racer is a creature.

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

, Discard a card: Fodder Tosser deals 2 damage to target player or planeswalker.

Players have no maximum hand size.

, : Each player draws X cards.

, : Each opponent mills cards equal to the number of cards in their hand.

Investigate X times. (Then exile this card. You may cast the creature later from exile.)

: Add .

, , Discard a card: Look at the top X cards of your library, where X is the number of artifacts you control. Put one of those cards into your hand and the rest on the bottom of your library in a random order.

, Sacrifice Font of Fertility: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

, Sacrifice Font of Ire: It deals 5 damage to target player or planeswalker.

, Sacrifice Font of Return: Return up to three target creature cards from your graveyard to your hand.

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.

Artifacts you control have ", Sacrifice this artifact: It deals damage to any target equal to 1 plus the number of permanents named Food Fight you control."

Enchant land

Enchanted land has ": Target creature gains trample and haste until end of turn."

Cycling (, Discard this card: Draw a card.)

Enchant land

Enchanted land has ": Target creature gets +2/+1 until end of turn."

Forbidding Watchtower enters tapped.

: Add .

: Forbidding Watchtower becomes a 1/5 white Soldier creature until end of turn. It's still a land.

: The next time an unblocked creature of your choice would deal combat damage to you this turn, prevent all but 1 of that damage.

Target player draws two cards and loses 2 life.

Adamant — If at least three black mana was spent to cast this spell, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

As Foreboding Ruins enters, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters tapped.

: Add or .

Whenever you cast an artifact spell, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Activated abilities of artifacts you control cost less to activate. This effect can't reduce the mana in that cost to less than one mana.

Devoid (This card has no color.)

: Target colorless creature gains haste until end of turn.

Flying

Equipped creature has flying.

Whenever Forgeborn Phoenix or equipped creature dies, it perpetually gains "Whenever an equipped creature you control deals combat damage to a player or planeswalker, return this card from your graveyard to battlefield tapped."

Reconfigure (: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Flying

: Forgestoker Dragon deals 1 damage to target creature. That creature can't block this combat. Activate only if Forgestoker Dragon is attacking.

: Add .

Other Caves you control have ", Pay 1 life: Add one mana of any color."

Forlorn Flats enters tapped.

When Forlorn Flats enters, it deals 1 damage to target opponent.

: Add or .

Exile target artifact or enchantment.

Cycling (, Discard this card: Draw a card.)

Forsaken Crossroads enters the battlefield tapped.

As Forsaken Crossroads enters the battlefield, choose a color.

When Forsaken Crossroads enters the battlefield, scry 1. If you weren't the starting player, you may untap Forsaken Crossroads instead.

: Add one mana of the chosen color.

Menace

, , Pay 1 life: Create a Treasure token.

: Target creature gets +2/+0 until end of turn. If mana from a Treasure was spent to activate this ability, that creature also gains deathtouch until end of turn.

As Fortified Village enters, you may reveal a Forest or Plains card from your hand. If you don't, Fortified Village enters tapped.

: Add or .

Enchant creature

Sacrifice a Forest: Regenerate enchanted creature.

When Fortitude is put into a graveyard from the battlefield, return Fortitude to its owner's hand.

Foul Familiar can't block.

, Pay 1 life: Return Foul Familiar to its owner's hand.

Destroy target creature with power 2 or less. Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

You may look at face-down creatures your opponents control any time.

, Sacrifice Found Footage: Surveil 2, then draw a card. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

When Foundry Champion enters, it deals damage to any target equal to the number of creatures you control.

: Foundry Champion gets +1/+0 until end of turn.

: Foundry Champion gets +0/+1 until end of turn.

Fountain of Cho enters tapped.

: Put a storage counter on Fountain of Cho.

, Remove any number of storage counters from Fountain of Cho: Add for each storage counter removed this way.

At the beginning of your upkeep, you gain 1 life.

, Sacrifice Fountain of Renewal: Draw a card.

: Add .

, , Sacrifice a token: Draw a card.

, , Pay 1 life: Create a 1/1 blue Fish creature token.

, : Create a Treasure token.

Destroy target creature with flying.

Reinforce 2— (, Discard this card: Put two +1/+1 counters on target creature.)

, : Return target card with a ½ on it from your graveyard to your hand.

Each opponent mills fourteen cards.

Cycling (, Discard this card: Draw a card.)

When you cycle Fractured Sanity, each opponent mills four cards.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)

Flying

: Freejam Regent gets +2/+0 until end of turn.

Flying

As long as Freewind Equenaut is enchanted, it has ": Freewind Equenaut deals 2 damage to target attacking or blocking creature."

, Discard a card at random: Frenetic Ogre gets +3/+0 until end of turn.

Riot (This creature enters with your choice of a +1/+1 counter or haste.)

Trample

: Frenzied Arynx gets +3/+0 until end of turn.

, Sacrifice a red or white creature: Freyalise Supplicant deals damage to any target equal to half the sacrificed creature's power, rounded down.

+1: Untap up to one target Elf. That Elf and a random Elf creature card in your hand perpetually get +1/+1.

−1: Seek an Elf card.

−6: Conjure a card named Regal Force onto the battlefield.

You may choose not to untap Frightshroud Courier during your untap step.

, : Target Zombie creature gets +2/+2 and has fear for as long as Frightshroud Courier remains tapped. (It can't be blocked except by artifact creatures and/or black creatures.)

: Frilled Sandwalla gets +2/+2 until end of turn. Activate only once each turn.

When Frillscare Mentor enters, put a menace counter on target non-Human creature you control. (It can't be blocked except by two or more creatures.)

, : Put a +1/+1 counter on each creature you control with menace.

Devoid (This card has no color.)

At the beginning of your upkeep, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add ."

, Sacrifice From Beyond: Search your library for an Eldrazi card, reveal it, put it into your hand, then shuffle.