Acidic Soil deals damage to each player equal to the number of lands they control.

Fading 5 (This creature enters the battlefield with five fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)

, Remove a fade counter from Ancient Hydra: It deals 1 damage to any target.

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 Aphetto Exterminator is turned face up, target creature gets -3/-3 until end of turn.

, Sacrifice a creature: Destroy target nonblack creature.

Each player chooses a number of permanents they control equal to the number of permanents controlled by the player who controls the fewest, then sacrifices the rest. Each player discards cards the same way.

Flash

Flying

When Bogardan Hellkite enters the battlefield, it deals 5 damage divided as you choose among any number of targets.

Branded Brawlers can't attack if defending player controls an untapped land.

Branded Brawlers can't block if you control an untapped land.

You may reveal a sorcery card you own from outside the game and put it into your hand. Exile Burning Wish.

Enchant creature

Enchanted creature gets +2/+2 and can't attack.

, : Chainflinger deals 1 damage to any target.

Threshold — , : Chainflinger deals 2 damage to any target. Activate only if seven or more cards are in your graveyard.

, Sacrifice a creature: The next time a source of your choice would deal damage to any target this turn, prevent that damage.

Counter target spell unless its controller pays .

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

When you cycle Complicate, you may counter target spell unless its controller pays .

Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.

Whenever a creature becomes the target of a spell or ability, return that creature to its owner's hand. (It won't be affected by the spell or ability.)

Whenever you cast a creature spell, you may pay . If you do, draw a card, then discard a card.

Deal Damage deals 4 damage to any target.

Gotcha — If an opponent says "deal" or "damage," you may say "Gotcha" When you do, return Deal Damage from your graveyard to your hand.

Deep-Sea Serpent can't attack unless defending player controls an Island.

When Diabolic Servitude enters the battlefield, return target creature card from your graveyard to the battlefield.

When the creature put onto the battlefield with Diabolic Servitude dies, exile it and return Diabolic Servitude to its owner's hand.

When Diabolic Servitude leaves the battlefield, exile the creature put onto the battlefield with Diabolic Servitude.

, : You may put a creature card from your hand onto the battlefield.

Escape Artist can't be blocked.

, Discard a card: Return Escape Artist to its owner's hand.

Flip a coin until you lose a flip or choose to stop flipping. If you lose a flip, Fiery Gambit has no effect. If you win one or more flips, Fiery Gambit deals 3 damage to target creature. If you win two or more flips, Fiery Gambit deals 6 damage to each opponent. If you win three or more flips, draw nine cards and untap all lands you control.

Flying (This creature can't be blocked except by creatures with flying or reach.)

: Return Fleeting Image to its owner's hand.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

, Sacrifice a Forest: Put a +2/+2 counter on Fungus Elemental. Activate only if Fungus Elemental entered the battlefield this turn.

Enchant land

: Enchanted land becomes a legendary 8/12 Spirit creature with trample until end of turn. It's still a land.

When enchanted land is put into a graveyard, you may return Genju of the Realm from your graveyard to your hand.

Play with the top card of your library revealed.

You have no maximum hand size.

Flying

As Guardian Archon enters the battlefield, secretly choose an opponent.

Reveal the player you chose: You and target permanent you control each gain protection from the chosen player until end of turn. Activate only once.

Enchant creature

Enchanted creature gets +1/+2.

When Hurloon Shaman dies, each player sacrifices a land.

Creatures your opponents control enter the battlefield tapped.

, : Target creature gains first strike until end of turn.

Flash (You may cast this spell any time you could cast an instant.)

Haste

: Izzet Staticaster deals 1 damage to target creature and each other creature with the same name as that creature.

Flying

Whenever Kaalia of the Vast attacks an opponent, you may put an Angel, Demon, or Dragon creature card from your hand onto the battlefield tapped and attacking that opponent.

This spell can't be countered.

Counter target spell.

Flying

Whenever an artifact enters the battlefield under your control, you may tap target permanent.

Flying

, Return a land you control to its owner's hand: Create a 1/1 blue Illusion creature token with flying.

The "legend rule" doesn't apply.

: Target creature you control gains protection from the color of your choice until end of turn.

Enchant creature

, Exile the top card of your graveyard: Enchanted creature gets +1/+1 until end of turn.

Cast this spell only during your end step.

As an additional cost to cast this spell, pay X life.

Draw X cards.

: Draw a card, then discard a card.

: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

Protection from blue, from black, and from red

Moonfolk offering (You may cast this card any time you could cast an instant by sacrificing a Moonfolk and paying the difference in mana costs between this and the sacrificed Moonfolk. Mana cost includes color.)

Flying

: Put up to two land cards from your hand onto the battlefield tapped.

Flying

Threshold — As long as seven or more cards are in your graveyard, Possessed Aven gets +1/+1, is black, and has ", : Destroy target blue creature."

Each player loses a third of their life, then discards a third of the cards in their hand, then sacrifices a third of the creatures they control, then sacrifices a third of the lands they control. Round up each time.

Enchant creature

At the beginning of your upkeep, you may put a page counter on Private Research.

When enchanted creature dies, draw a card for each page counter on Private Research.

, : You may tap or untap target creature.

, : Target opponent reveals their hand and discards a creature card at random. Activate only during your turn.