mtg.wtf

Create a 2/2 white Monk creature token.
Coststorm (When you cast this spell, copy it for each different mana value among other spells and lands you've played this turn.)

When Frogkin Kidnapper enters, target opponent reveals their hand. Choose a nonland card from it. Ransom that card. (Exile it. Its owner may pay {3} at any time to return it to their hand.)

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

When Frontline Heroism enters, create a 1/1 red Soldier creature token with haste.
Whenever you cast a spell that targets only a single creature you control, create a 1/1 red Soldier creature token with haste, then copy that spell. The copy targets that token.

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 {3}{U}{R}

{B}: Frozen Shade gets +1/+1 until end of turn.

Fruitcake Elemental is indestructible.
At the end of your turn, Fruitcake Elemental deals 7 damage to you.
{3}: Target player gains control of Fruitcake Elemental.

You gain 1 life for each Forest on the battlefield.

I — Create a 1/1 white Human creature token with ward {2} 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.

(You can't cast this face unless it's been transformed by the front face.)
Fully-Grown Treefolk's power and toughness are each equal to the number of lands you control.

Flying, deathtouch
Whenever a player sacrifices a nontoken creature, create a 1/1 black Insect creature token with flying.
Whenever an Insect, Leech, Slug, or Worm you control attacks, defending player loses 1 life and you gain 1 life.

At the beginning of your end step, conjure a card named Slimy Dualleech onto the battlefield if you control no Leeches. Otherwise, put a +1/+1 counter on each Leech you control.
{T}, Sacrifice a creature: Add an amount of {G} equal to the sacrificed creature's power.

When you planeswalk to Furnace Layer and at the beginning of your upkeep, select target player at random. That player discards a card. If that player discards a land card this way, they lose 3 life.
Whenever chaos ensues, you may destroy target nonland permanent.

Creatures you control get +1/+0.
If you're on the Mirran team, creatures you control have haste.
If you're on the Phyrexian team, creatures you control have trample.

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

Enchant creature
Fylgja enters with four healing counters on it.
Remove a healing counter from Fylgja: Prevent the next 1 damage that would be dealt to enchanted creature this turn.
{2}{W}: Put a healing counter on Fylgja.

{3}, {T}: Target creature gains first strike until end of turn.

{2}{G}, {T}: Untap target creature.

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

When GO TO JAIL enters, exile target creature an opponent controls until GO TO JAIL leaves the battlefield.
At the beginning of the upkeep of the exiled card's owner, that player rolls two six-sided dice. If they roll doubles, sacrifice GO TO JAIL.

Whenever you cast an instant or sorcery spell, each opponent loses 2 life.

Specialize {2}
When Gale, Conduit of the Arcane enters, if you cast it, return target instant or sorcery card from your graveyard to your hand.

Whenever you cast an instant or sorcery spell, create a 1/1 white Pegasus creature token with flying.

Whenever you cast an instant or sorcery spell, put two +1/+1 counters on target creature.