Whenever an opponent casts a blue spell during your turn, you may create a 4/4 green Elemental creature token.

Flying

When Ezrim, Agency Chief enters, investigate twice. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

, Sacrifice an artifact: Ezrim gains your choice of vigilance, lifelink, or hexproof until end of turn.

: Add . Spend this mana only to cast an artifact spell or activate an ability of an artifact source.

, , Exile one or more other artifacts you control with total mana value X: Return target artifact card with mana value X or less from your graveyard to the battlefield. Activate only as a sorcery.

For each creature, its controller sacrifices a permanent of their choice unless they pay .

Exile target card from a graveyard.

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

Return all creatures to their owners' hands. For each opponent who controlled a creature returned this way, you create two 1/1 blue Faerie creature tokens with flying and "This creature can block only creatures with flying."

Return target spell to its owner's hand.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control and you create a Treasure token." (It's an artifact with ", Sacrifice this token: Add one mana of any color.")

Choose one —

• Creatures you control get +1/+1 until end of turn.

• Creatures you control gain hexproof until end of turn. (They can't be the targets of spells or abilities your opponents control.)

Return target creature to its owner's hand.

Fuse (You may cast one or both halves of this card from your hand.)

Each creature with the highest mana value has protection from each color.

As Favored Enemy enters the battlefield, note the most prevalent creature type in an opponent's library.

When Favored Enemy enters the battlefield, target creature you control fights up to one target creature you don't control.

Whenever a creature an opponent controls of the noted type dies, put a +1/+1 counter on target creature you control.

When Fear of Immobility enters, tap up to one target creature. If an opponent controls that creature, put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Flying

Eerie — Whenever Fear of Sleep Paralysis or another enchantment you control enters and whenever you fully unlock a Room, tap up to one target creature and put a stun counter on it.

Stun counters can't be removed from permanents your opponents control. (They won't untap if they have stun counters.)

Whenever a creature dies, that creature's controller may draw a card.

Target creature gets -X/-X until end of turn, where X is the number of Zombies on the battlefield.

Reach (This creature can block creatures with flying.)

Destroy all creatures with power greater than target creature's power.

Enchant creature

Whenever enchanted creature blocks or becomes blocked, you may put a +1/+1 counter on it.

You may pay rather than pay this spell's mana cost.

If the cost was paid, an opponent discards any number of cards, then draws that many cards.

Search your library for up to three cards, put them into your hand, shuffle, then discard three cards at random.

(: Add or .)

Fetching Garden enters the battlefield tapped if it was played from your hand.

When Feywild Caretaker enters, you take the initiative.

At the beginning of your end step, if you have the initiative, create a 1/1 blue Faerie Dragon creature token with flying.

Commander creatures you own have "Whenever one or more nontoken creatures you control deal combat damage to a player, you create a 1/1 blue Faerie Dragon creature token with flying."

When Field-Tested Frying Pan enters, create a Food token, then create a 1/1 white Halfling creature token and attach Field-Tested Frying Pan to it.

Equipped creature has "Whenever you gain life, this creature gets +X/+X until end of turn, where X is the amount of life you gained."

Equip

Fiery Annihilation deals 5 damage to target creature. Exile up to one target Equipment attached to that creature. If that creature would die this turn, exile it instead.

Fiery Cannonade deals 2 damage to each non-Pirate creature.

Choose three. You may choose the same mode more than once.

• Fiery Confluence deals 1 damage to each creature.

• Fiery Confluence deals 2 damage to each opponent.

• Destroy target artifact.

Discard a card, then draw a card. When you discard a nonland card this way, Fiery Encore deals damage equal to that card's mana value to target creature or planeswalker.

Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Fiery Finish deals 7 damage to target creature.

: Fiery Hellhound gets +1/+0 until end of turn.

When Fiery Inscription enters, the Ring tempts you.

Whenever you cast an instant or sorcery spell, Fiery Inscription deals 2 damage to each opponent.

, Pay 1 life: Add or .

, , Sacrifice Fiery Islet: Draw a card.

Enchant creature

: Enchanted creature gets +1/+0 until end of turn.

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

Climb Over — : Target Wall can't block this turn.

Tie Up — , : Target creature doesn't untap during its controller's next untap step.

Rappel Down — , : Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)

Whenever Filthy Cur is dealt damage, you lose that much life.

Destroy up to three target creatures with toughness X or less. If X is 10 or more, return all creature cards from your graveyard to the battlefield.

You may put two +1/+1 counters on a creature you control. Then all creatures get -4/-4 until end of turn.

Target Giant you control gets +2/+2 and gains trample until end of turn. Whenever it deals combat damage to a player this turn, exile that many cards from the top of your library. Until the end of your next turn, you may play those cards.

Changeling (This card is every creature type.)

: Fire-Belly Changeling gets +1/+0 until end of turn. Activate no more than twice each turn.

Flying

: Firefly gets +1/+0 until end of turn.

Kicker (You may pay an additional as you cast this spell.)

If this spell was kicked, draw a card. Fires of Victory deals damage to target creature or planeswalker equal to the number of cards in your hand.

Whenever a creature you control enters this turn, put a +1/+1 counter on it and it gains haste until end of turn.

Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Five Hundred Year Diary enters tapped.

: Add for each Clue you control.

, Sacrifice Five Hundred Year Diary: Draw a card.

Counter target spell unless its controller pays o½.

Menace

Paradox — Whenever you cast a spell from anywhere other than your hand, Flaming Tyrannosaurus deals 3 damage to any target. Then put a +1/+1 counter on Flaming Tyrannosaurus.

When Flaming Tyrannosaurus dies, it deals damage equal to its power to each opponent.

Reach

When Flavor Disaster enters the battlefield or when it's turned face up, target creature gets +X/+X until end of turn, where X is Flavor Disaster's power.

Negamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its negamorph cost and put a -1/-1 counter on it.)

Target player discards a card at random. Then that player discards another card at random unless they pay .

Whenever Flayed Nim deals combat damage to a creature, that creature's controller loses that much life.

: Regenerate Flayed Nim.

Devoid (This card has no color.)

First strike

Whenever another colorless creature you control enters, target opponent loses 1 life.

When you cast this spell, gain control of target creature until end of turn. Untap that creature. Until end of turn, it has base power and toughness 10/10 and gains trample, annihilator 2, and haste.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.)

Trample