{3}, {T}, Sacrifice Explosive Canister: Explosive Canister deals 3 damage to any target.

Each opponent loses X life. You gain life equal to the life lost this way.

Flash
Enchant creature
When Face It All enters, prevent all damage that would be dealt to enchanted creature this turn.
Enchanted creature gets +1/+1.

Exile the top two cards of your library. You may play those cards until you next cast a spell from your hand.
Flashback {3}{R}{R}

Target creature gets -3/-2 until end of turn.

Deathtouch, lifelink

As an additional cost to cast this spell, return a creature you control to its owner's hand.
Counter target spell.

Creatures can't attack you or a planeswalker you control unless their controller pays {1} for each of those creatures beyond the first.

Up to one target creature gets -2/-2 until end of turn. Create a 1/1 black Horror creature token.
Coalesce {6}{B}

Destroy target creature whose power, toughness, and mana value aren't all equal.

Target player mills two cards, then mills two more cards for each card named Fathomless Dominion in your graveyard.

Indulgence
Whenever you indulge, choose one —
• Scry 2. Each opponent loses 2 life.
• Create a tapped 2/1 black Rogue creature token with menace.
• Target creature gets -2/-2 until end of turn.

Defender
When Feasting Sloth enters, create a Berry token.
Feasting Sloth can attack as though it didn't have defender if it's enchanted, equipped, or has a counter on it.

Once each turn, when you activate a nonmana ability, you may put a +1/+1 counter on Feeble Fish. Then if there are three or more +1/+1 counters on it, remove them all and transform it.

Flash
When Fencer's Foil enters, you may attach it to target creature you control.
Equipped creature gets +2/+0.
Equip {3}

Enchant creature
Enchanted creature gets +2/+0 and has menace.
{2}{G}: Return Fenran Bloodlust from your graveyard to your hand.

When Field Worker enters, choose one —
• Surveil 2.
• Return target Aura card from your graveyard to your hand.

Destroy target creature if its mana value is less than or equal to the amount of mana spent to cast this spell.
Flashback {X}{B}{B}{B}

Final Performance deals 2 damage to target creature. If a creature died this turn, instead Final Performance deals 5 damage to it, and excess damage is dealt to that creature's controller instead.

Whenever an artifact you control enters, each opponent loses 1 life and you gain 1 life.

{T}: Fireslinger deals 1 damage to any target and 1 damage to you.

When Flags on High enters, create two 1/1 colorless Soldier creature tokens.
{1}{R}, Sacrifice Flags on High: Target creature you control gets +1/+0 and gains haste until end of turn. Activate only as a sorcery.

Experience
When Flame-Tailed Lizard has three or more +1/+1 counters on it, remove them all and transform it.

Flamethrower Volley deals 3 damage to target creature or planeswalker. Then you may pay {6}. If you do, Flamethrower Volley deals 6 damage to that permanent's controller.

As an additional cost to cast this spell, sacrifice a creature.
Flare Out deals damage to any target equal to the sacrificed creature's power.
Maneuver