Counter target instant or sorcery spell unless its controller pays .

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Each player discards any number of cards, then draws that many cards.

Draw a card.

Flying

Whenever you cast an instant or sorcery spell, you may switch Fluxcharger's power and toughness until end of turn.

Flycatcher Giraffid enters the battlefield with your choice of a vigilance counter or a reach counter on it.

Untap all creatures you control. They gain flying and double strike 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.)

Flash

As Focused Funambulist enters the battlefield, you may put an art sticker on the empty side of the balancing pole. When you do, ask a person outside the game "Does this look balanced?" If they say yes, you may tap or untap target creature.

As an additional cost to cast this spell, sacrifice a Goblin.

Target creature gets -5/-5 until end of turn. Fodder Launch deals 5 damage to that creature's controller.

Flying

When Foe-Razer Regent enters the battlefield, you may have it fight target creature you don't control.

Whenever a creature you control fights, put two +1/+1 counters on it at the beginning of the next end step.

Defender, flying

Prevent all combat damage that would be dealt to and dealt by Fog Bank.

Flying

: Regenerate Fog of Gnats.

Enchant creature

Enchanted creature is a Spirit and can't attack or block. (It loses all other creature types.)

Skulk (This creature can't be blocked by creatures with greater power.)

When Fogwalker enters the battlefield, target creature an opponent controls doesn't untap during its controller's next untap step.

Counter target spell. If that spell is countered this way, its controller may put a creature card from their hand onto the battlefield.

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."

Whenever Folk of An-Havva blocks, it gets +2/+0 until end of turn.

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

Conjure a card of your choice from Follow the Tracks's spellbook onto the battlefield.

Whenever you pay life, put that many blood counters on Font of Agonies.

, Remove four blood counters from Font of Agonies: Destroy target creature.

, Sacrifice Font of Fortunes: Draw two cards.

Instant and sorcery spells you cast cost less to cast for each time you've cast a commander from the command zone this game.

Font of Progress enters the battlefield with two oil counters on it.

, : Target player mills X cards, where X is the number of oil counters on Font of Progress.

, Sacrifice Font of Vigor: You gain 7 life.

When Food Coma enters the battlefield, exile target creature an opponent controls until Food Coma leaves the battlefield. Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Enchant creature

When enchanted creature dies, return that card to the battlefield under your control.

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

Enchant land

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

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

When Footlight Fiend dies, it deals 1 damage to any target.

Choose a creature type. Look at the top six cards of your library. You may reveal any number of cards of the chosen type from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target creature gets +2/+2 until end of turn. If you control four or more creatures, that creature gets +4/+4 until end of turn instead.

Amass Orcs 2. When you do, Foray of Orcs deals X damage to target creature an opponent controls, where X is the amassed Army's power. (To amass Orcs 2, put two +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

Look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Create a 1/1 red Dinosaur creature token with haste and a 1/1 white Human Soldier creature token.

: Add one mana of any color.

Whenever you tap Forbidden Orchard for mana, target opponent creates a 1/1 colorless Spirit creature token.

When Forbidding Spirit enters the battlefield, until your next turn, creatures can't attack you or planeswalkers you control unless their controller pays for each of those creatures.

Return target creature to its owner's hand.

Ferocious — If you control a creature with power 4 or greater, you may draw a card. If you do, discard a card.

If it's not your turn, you may exile a black card from your hand rather than pay this spell's mana cost.

Destroy all creatures that entered the battlefield this turn.

If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost.

Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Trample

If it's not your turn, you may exile a white card from your hand rather than pay this spell's mana cost.

Flash

Creatures you control get +1/+1.

Counter target spell unless its controller pays .

Enchant creature

At the beginning of your upkeep, put a +1/+1 counter on enchanted creature.

Put target creature with flying on the bottom of its owner's library.

Put target creature on top of its owner's library.

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

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Counter target spell.

Equipped creature gets +3/+0 and has vigilance and trample.

Whenever equipped creature dies, attach Forebear's Blade to target creature you control.

Equip

: Add .

, Sacrifice Foreboding Landscape: Search your library for a basic Swamp, Forest, or Island card, put it onto the battlefield tapped, then shuffle.

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

: Add one mana of any color. Put an omen counter on Foreboding Statue.

At the beginning of your end step, if there are three or more omen counters on Foreboding Statue, untap it, then transform it.