Formidable -- {3}{R}{R}: Creatures you control gain menace until end of turn. Activate only if creatures you control have total power 8 or greater. (They can't be blocked except by two or more creatures.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Whenever a source you control deals noncombat damage to an opponent, Chandra's Pyreling gets +1/+0 and gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

+1: Chandra, Flame's Catalyst deals 3 damage to each opponent.

-2: You may cast target red instant or sorcery card from your graveyard. If that spell would be put into your graveyard, exile it instead.

-8: Discard your hand, then draw seven cards. Until end of turn, you may cast spells from your hand without paying their mana costs.

Target creature gets +1/+2 and gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

Return target creature card from your graveyard to your hand.

Draw two cards, then discard two cards.

Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flying

Tribute 2 (As this creature enters the battlefield, an opponent of your choice may put two +1/+1 counters on it.)

When Flame-Wreathed Phoenix enters the battlefield, if tribute wasn't paid, it gains haste and "When this creature dies, return it to its owner's hand."

Flying

Flameskull can't block.

Rejuvenation -- When Flameskull dies, exile it. If you do, exile the top card of your library. Until the end of your next turn, you may play one of those cards. (If you cast Flameskull this way, you can't play the other card, and vice versa.)

When Flametongue Kavu enters the battlefield, it deals 4 damage to target creature.

{T}: Each creature attacks this turn if able.

Whenever you cycle or discard another card, Horror of the Broken Lands gets +2/+1 until end of turn.

Cycling {B} ({B}, Discard this card: Draw a card.)

Immersturm Skullcairn enters the battlefield tapped.

{T}: Add {B}.

{1}{B}{R}{R}, {T}, Sacrifice Immersturm Skullcairn: It deals 3 damage to target player. That player discards a card. Activate only as a sorcery.

Juggernaut attacks each combat if able.

Juggernaut can't be blocked by Walls.

Lightning Bolt deals 3 damage to any target.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Flying

When Puppeteer Clique enters the battlefield, put target creature card from an opponent's graveyard onto the battlefield under your control. It gains haste. At the beginning of your next end step, exile it.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

Flying

At the beginning of your end step, if an opponent lost life this turn, put a +1/+1 counter on Savage Gorger. (Damage causes loss of life.)

Flying

At the beginning of your upkeep, you may pay {2}{B}{B}. If you do, transform Screeching Bat.

At the beginning of your upkeep, you may pay {2}{B}{B}. If you do, transform Stalking Vampire.

Whenever Slavering Nulls deals combat damage to a player, if you control a Swamp, you may have that player discard a card.

Scavenge {0} ({0}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Destroy target creature. It can't be regenerated.

Enchant creature

Enchanted creature gets +2/+1 and has menace. (It can't be blocked except by two or more creatures.)

At the beginning of your upkeep, you lose 1 life unless an opponent has 10 or less life.