As Frankenstein's Monster enters, exile X creature cards from your graveyard. If you can't, put Frankenstein's Monster into its owner's graveyard instead of onto the battlefield. For each creature card exiled this way, Frankenstein's Monster enters with a +2/+0, +1/+1, or +0/+2 counter on it.

Frantic Firebolt deals X damage to target creature, where X is 2 plus the number of cards in your graveyard that are instant cards, sorcery cards, and/or have an Adventure.

Destroy target enchantment.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Haste

When Frantic Scapegoat enters, suspect it. (It has menace and can't block.)

Whenever one or more other creatures you control enter, if Frantic Scapegoat is suspected, you may suspect one of the other creatures. If you do, Frantic Scapegoat is no longer suspected.

Flash

Enchant creature

Enchanted creature gets +2/+2 and has trample.

Each player loses half their life, then discards half the cards in their hand, then sacrifices half the creatures they control. Round up each time.

Counter target nonblue spell.

Target creature gets +2/+2 until end of turn. Put two oil counters on it.

Enchant creature

: Tap enchanted creature.

: Untap enchanted creature.

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.

: Roll two six-sided dice. If both results are the same, Free-Range Chicken gets +X/+X until end of turn, where X is that result. If the total of those results is equal to any other total you have rolled this turn for this ability, sacrifice it. (For example, if you roll two 3s, it gets +3/+3. If you roll a 4 and a 2 for this ability later that turn, sacrifice it.)

Reach

Whenever you commit a crime, look at the top five cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest on the bottom of your library in a random order. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Tap target creature an opponent controls and put three stun counters on it. Scry 2. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Flying

: Flip a coin. If you win the flip, Frenetic Efreet phases out. If you lose the flip, sacrifice Frenetic Efreet. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)

Beasts can't block.

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

Trample

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

Enchant permanent

When Frenzied Fugue enters and at the beginning of your upkeep, gain control of enchanted permanent until end of turn. Untap that permanent. It gains haste until end of turn.

Whenever Frenzied Goblin attacks, you may pay . If you do, target creature can't block this turn.

Enchant creature

Enchanted creature gets +2/+1 and has menace. (It can't be blocked except by two or more creatures.)

Haste

All creatures can attack your opponents and planeswalkers your opponents control as though those creatures had haste.

, Sacrifice Frenzied Trapbreaker: Destroy target artifact or enchantment.

Whenever Frenzied Trapbreaker attacks, destroy target artifact or enchantment defending player controls.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Create a 3/3 green Beast creature token for each creature put into your graveyard from the battlefield this turn.

Fretwork Colony can't block.

At the beginning of your upkeep, put a +1/+1 counter on Fretwork Colony and you lose 1 life.

+2: Create a 1/1 green Elf Druid creature token with ": Add ."

−2: Destroy target artifact or enchantment.

−6: Draw a card for each green creature you control.

Freyalise, Llanowar's Fury can be your commander.

Whenever an opponent casts a black spell, you may pay . If you do, you draw a card.

: Return Freyalise's Charm to its owner's hand.

Whenever a permanent becomes tapped, put a wind counter on it.

If a permanent with a wind counter on it would untap during its controller's untap step, remove all wind counters from it instead.

Target creature's controller reveals a card at random from their hand. Friendly Fire deals damage to that creature and that player equal to the revealed card's mana value.

Target creature you control and up to one other target legendary creature you control each deal damage equal to their power to target creature you don't control.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Threshold — As long as seven or more cards are in your graveyard, Frightcrawler gets +2/+2 and can't block.

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.)

Enrage — Whenever Frilled Deathspitter is dealt damage, it deals 2 damage to target opponent or planeswalker.

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

: Frilled Sea Serpent can't be blocked this 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.

Partner with Sam, Loyal Attendant

Vigilance

Whenever Frodo, Adventurous Hobbit attacks, if you gained 3 or more life this turn, the Ring tempts you. Then if Frodo is your Ring-bearer and the Ring has tempted you two or more times this game, draw a card.

: If Frodo, Sauron's Bane is a Citizen, it becomes a Halfling Scout with base power and toughness 2/3 and lifelink.

: If Frodo is a Scout, it becomes a Halfling Rogue with "Whenever this creature deals combat damage to a player, that player loses the game if the Ring has tempted you four or more times this game. Otherwise, the Ring tempts you."

Trample, haste

Whenever Froghemoth deals combat damage to a player, exile up to that many target cards from their graveyard. Put a +1/+1 counter on Froghemoth for each creature card exiled this way. You gain 1 life for each noncreature card exiled this way.

When CARDNAME enters the battlefield, target opponent reveals their hand. Choose a nonland card from it. Ransom that card. (Exile it. Its owner may pay at any time to return it to their hand.)

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

2/2

Flying

Whenever you cast an instant or sorcery spell, Frolicking Familiar gets +1/+1 until end of turn.

Destroy all nonbasic lands. For each land destroyed this way, its controller may search their library for a basic land card and put it onto the battlefield. Then each player who searched their library this way shuffles.

As From the Rubble enters, choose a creature type.

At the beginning of your end step, return target creature card of the chosen type from your graveyard to the battlefield with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)

Vigilance

Creatures you control with vigilance have ", : Tap target creature."

, : Until end of turn, you may play one basic Plains card from outside the game.

Ferocious — Frontier Mastodon enters with a +1/+1 counter on it if you control a creature with power 4 or greater.

As Frontier Siege enters, choose Khans or Dragons.

• Khans — At the beginning of each of your main phases, add .

• Dragons — Whenever a creature with flying enters under your control, you may have it fight target creature you don't control.

Afflict 2 (Whenever this creature becomes blocked, defending player loses 2 life.)

: Frontline Devastator gets +1/+0 until end of turn.

Frontline Rebel attacks each combat if able.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Frontline Strategist is turned face up, prevent all combat damage non-Soldier creatures would deal this turn.

Frost Bite deals 2 damage to target creature or planeswalker. If you control three or more snow permanents, it deals 3 damage instead.