, 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.)

Fretwork Colony can't block.

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

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.

Descend 4 — Frilled Cave-Wurm gets +2/+0 as long as there are four or more permanent cards in your graveyard.

Flash

When Frilled Mystic enters the battlefield, you may counter target spell.

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

When Frillscare Mentor enters the battlefield, 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."

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.

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

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

Whenever one or more creatures attack one of your opponents or a planeswalker they control, those creatures gain menace until end of turn.

Battalion — Whenever Frontline Medic and at least two other creatures attack, creatures you control gain indestructible until end of turn.

Sacrifice Frontline Medic: Counter target spell with in its mana cost unless its controller pays .

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

, : Draw a card, then discard a card.

, : Look at the top card of your library. If it's a snow card, you may reveal it and put it into your hand. ( can be paid with one mana from a snow source.)

Rampage 2 <I>(Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)</I>

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 the battlefield or attacks, tap target permanent. It doesn't untap during its controller's next untap step.

When Frost Walker becomes the target of a spell or ability, sacrifice it.

: 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 the battlefield, 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.

Reach (This creature can block creatures with flying.)

Whenever Frostweb Spider blocks a creature with flying, put a +1/+1 counter on Frostweb Spider at end of combat.

Flying

: Creatures you control gain flying until end of turn.

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.

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

Whenever one or more cards leave your graveyard, Fuming Effigy deals 1 damage to each opponent.

Trample

Whenever Fungal Shambler deals damage to an opponent, you draw a card and that opponent discards a card.

All Sliver creatures have "Whenever this creature is dealt damage, put a +1/+1 counter on it." (It must survive the damage to get the counter.)

Reach

Morbid — When Funnel-Web Recluse enters the battlefield, if a creature died this turn, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

: Target creature can't be regenerated 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.)

Haste

Mountaincycling (, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

Whenever Furnace Scamp deals combat damage to a player, you may sacrifice it. If you do, Furnace Scamp deals 3 damage to that player.

Furnace Strider enters the battlefield with two oil counters on it.

Remove an oil counter from Furnace Strider: Target creature you control gains haste until end of turn.

Whenever Furnace-Blessed Conqueror attacks, create a tapped and attacking token that's a copy of it. Put a +1/+1 counter on that token for each +1/+1 counter on Furnace-Blessed Conqueror. Sacrifice that token at the beginning of the next end step.

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.

Double strike

When Fury enters the battlefield, it deals 4 damage divided as you choose among any number of target creatures and/or planeswalkers.

Evoke—Exile a red card from your hand.

Trample

At the beginning of combat on your turn, you may discard a card. If you do, Furyblade Vampire gets +3/+0 until end of turn.

When Furystoke Giant enters the battlefield, other creatures you control gain ": This creature deals 2 damage to any target" until end of turn.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

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.

Flying

Fylamarid can't be blocked by blue creatures.

: Target creature becomes blue until end of turn.

When Fyndhorn Druid dies, if it was blocked this turn, you gain 4 life.

: Add .