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.

Enchant creature

Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1. (It loses all other card types and creature types.)

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

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.

When Frost Fair Lure Fish enters, create two 1/1 blue Fish creature tokens and create two tapped Treasure tokens.

Fish you control have haste and can't be blocked by Humans.

Foretell

Whenever Frost Titan becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays .

Whenever Frost Titan enters or attacks, tap target permanent. It doesn't untap during its controller's next untap step.

As Frostboil Snarl enters, you may reveal an Island or Mountain card from your hand. If you don't, Frostboil Snarl enters tapped.

: Add or .

: Frostburn Weird gets +1/-1 until end of turn.

Sacrifice Frostling: It deals 1 damage to target creature.

This spell costs less to cast if you control a Giant or a Wizard.

When Frostpyre Arcanist enters, search your library for an instant or sorcery card with the same name as a card in your graveyard, reveal it, put it into your hand, then shuffle.

: Add .

: Until end of turn, Frostwalk Bastion becomes a 2/3 Construct artifact creature. It's still a land. ( can be paid with one mana from a snow source.)

Whenever Frostwalk Bastion deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.

If a creature dealt damage by Frostwielder this turn would die, exile it instead.

: Frostwielder deals 1 damage to any target.

Enchant creature

Enchanted creature doesn't untap during its controller's untap step.

When enchanted creature is dealt damage, destroy it.

Target player loses 2 life.

Escape—, Exile three other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Prowess, haste

Disguise . This cost is reduced by for each instant and sorcery card in your graveyard. (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

When Fugitive Codebreaker is turned face up, discard your hand, then draw three cards.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — Create a 1/1 white Human creature token with ward and a 4/4 white Alien Rhino creature token.

II — Investigate.

III — You may exile a Human you control and an artifact you control. If you do, search your library for a Doctor card, put it onto the battlefield, then shuffle.

Choose two target creatures. Tap those creatures, then unattach all Equipment from them.

Werewolf creatures you control get +1/+0 and have trample.

Sacrifice Full Moon's Rise: Regenerate all Werewolf creatures you control.

Sacrifice Fume Spitter: Put a -1/-1 counter on target creature.

Fumiko the Lowblood has bushido X, where X is the number of attacking creatures. (Whenever this creature blocks or becomes blocked, it gets +X/+X until end of turn.)

Creatures your opponents control attack each combat if able.

You draw two cards, lose 2 life, then mill two cards.

Flash

Enchant creature

Enchanted creature gets +2/+0.

When enchanted creature dies, return it to the battlefield tapped under its owner's control.

Return target permanent card from your graveyard to your hand. If a creature died this turn, create two 1/1 green Saproling creature tokens.

Create two 1/1 green Saproling creature tokens. (Then exile this card. You may cast the creature later from exile.)

Furious deals 3 damage to each creature without flying.

Target creature gets +3/+0 and gains first strike until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Target blocking creature gets +3/+0 and gains first strike until end of turn.

Trample

At the beginning of your end step, put a +1/+1 counter on Furious Spinesplitter for each opponent who was dealt damage this turn.

: Furnace Gremlin gets +1/+0 until end of turn.

When Furnace Gremlin dies, incubate X, where X is its power. (Create an Incubator token with X +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

Menace

At the beginning of each player's upkeep, Furnace Punisher deals 2 damage to that player unless they control two or more basic lands.

Haste

: Furnace Spirit gets +1/+0 until end of turn.

Enchant creature

Enchanted creature gets +2/+2 and attacks each combat if able.

Furtive Courier can't be blocked as long as you've sacrificed an artifact this turn.

Whenever Furtive Courier attacks, draw a card, then discard a card.

All Sliver creatures have double strike.

Bloodthirst 6 (If an opponent was dealt damage this turn, this creature enters with six +1/+1 counters on it.)

Flying

As long as Futurist Operative is tapped, it's a Human Citizen with base power and toughness 1/1 and can't be blocked.

: Untap Futurist Operative.

Flash

When Futurist Spellthief enters the battlefield, conjure a duplicate of target spell into your hand. That card perpetually gains "You may spend mana as though it were mana of any color to cast this spell."

, : Untap target creature.