Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Firemaw Kavu enters the battlefield, it deals 2 damage to target creature.

When Firemaw Kavu leaves the battlefield, it deals 4 damage to target creature.

You can cast spells only during your turn and you can cast no more than two spells each turn.

You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs.

Creatures you control have haste.

Sacrifice Fires of Yavimaya: Target creature gets +2/+2 until end of turn.

Flying, lifelink

Whenever you cast your second spell each turn, look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

Sliver creatures you control have exalted. (Whenever a creature you control attacks alone, it gets +1/+1 until end of turn for each instance of exalted among permanents you control.)

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)

Enchanted creature has islandwalk. (It can't be blocked as long as defending player controls an Island.)

Target creature gets +4/+0 until end of turn.

CARDNAME counts as five creatures for spells and effects that count the number of creatures you control.

Put target nonland permanent into your hand. You may spend mana as though it were mana of any color the next time you cast that card.

Flame Wave deals 4 damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

As Flamekin Village enters the battlefield, you may reveal an Elemental card from your hand. If you don't, Flamekin Village enters the battlefield tapped.

: Add .

, : Target creature gains haste until end of turn.

More Than Meets the Eye (You may cast this card converted for .)

Sacrifice another artifact: Put a +1/+1 counter on Flamewar and convert it. Activate only as a sorcery.

, Discard your hand: Put all exiled cards you own with intel counters on them into your hand.

: Flamewave Invoker deals 5 damage to target player or planeswalker.

If you control a commander, you may cast this spell without paying its mana cost.

Creatures you control gain indestructible until end of turn.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

, Sacrifice another creature: Put two +1/+1 counters on Flesh Carver.

When Flesh Carver dies, create an X/X black Horror creature token, where X is Flesh Carver's power.

: Add .

, : Add , , or .

Defender

When Floriferous Vinewall enters the battlefield, look at the top six cards of your library. You may reveal a land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

: Target creature gets +1/-1 until end of turn.

Whenever Folk of An-Havva blocks, it gets +2/+0 until end of turn.

, Sacrifice Font of Vigor: You gain 7 life.

If it's not your turn, you may exile a green card from your hand rather than pay this spell's mana cost.

Destroy up to two target artifacts and/or enchantments.

Counter target spell unless its controller pays .

Draw a card at the beginning of the next turn's upkeep.

: Return target card from an opponent's graveyard to their hand. Put a +1/+1 counter on target creature.

When Forge Devil enters the battlefield, it deals 1 damage to target creature and 1 damage to you.

At the beginning of your upkeep, you may exile a land card from your graveyard. If you do, put a +1/+1 counter on target creature.

Creatures you control get +0/+1.

When Fortifying Provisions enters the battlefield, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

As an additional cost to cast this spell, you may reveal a Dragon card from your hand.

Target player sacrifices a creature. If you revealed a Dragon card or controlled a Dragon as you cast this spell, you gain 4 life.

Put any number of target artifact cards from your graveyard on top of your library.

Draw a card.

Haste

Whenever you cast a noncreature spell, Frenzied Devils gets +2/+2 until end of turn.

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

Frontier Bivouac enters the battlefield tapped.

: Add , , or .

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

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

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.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

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

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.)

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.

All Sliver creatures have double strike.

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.

Gaea's Avenger's power and toughness are each equal to 1 plus the number of artifacts your opponents control.

Will of the council — At the beginning of combat on your turn, if another Elf entered the battlefield under your control this turn, starting with you, each player votes for dominion or guidance. If dominion gets more votes, the Ring tempts you, then you put a +1/+1 counter on your Ring-bearer. If guidance gets more votes or the vote is tied, draw a card.

Alliance — Whenever another creature enters the battlefield under your control, choose one that hasn't been chosen this turn —

• Add .

• Put a +1/+1 counter on each creature you control.

• Scry 2, then draw a card.

Vigilance (Attacking doesn't cause this creature to tap.)

When Gallant Cavalry enters the battlefield, create a 2/2 white Knight creature token with vigilance.

Enchant creature

When Galvanic Arc enters the battlefield, it deals 3 damage to any target.

Enchanted creature has first strike.

Galvanic Bombardment deals X damage to target creature, where X is 2 plus the number of cards named Galvanic Bombardment in your graveyard.

When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flash

, : Untap target artifact.

Galvanize deals 3 damage to target creature. If you've drawn two or more cards this turn, Galvanize deals 5 damage to that creature instead.

At the beginning of your upkeep, each player reveals the top card of their library. If all cards revealed this way are creature cards, put those cards onto the battlefield under their owners' control.

When Gang of Devils dies, it deals 3 damage divided as you choose among one, two, or three targets.