You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.

{T}: Add {B} or {R}. {B}{R}, {T}, Sacrifice Rakdos Cluestone: Draw a card.

{T}: Add {B} or {R}. {B}{R}: Rakdos Keyrune becomes a 3/1 black and red Devil artifact creature with first strike until end of turn.

Creatures you control have trample. Creatures your opponents control lose trample and can't have or gain trample.

Creatures you control have deathtouch. Creatures your opponents control lose deathtouch and can't have or gain deathtouch.

Other black creatures you control get +1/+1. Other red creatures you control get +1/+1. Whenever Ashenmoor Liege becomes the target of a spell or ability an opponent controls, that player loses 4 life.

When Bearer of the Heavens dies, destroy all permanents at the beginning of the next end step.

At the beginning of your upkeep, Creeping Bloodsucker deals 1 damage to each opponent. You gain life equal to the damage dealt this way.

Whenever another creature dies, you may put a +1/+1 counter on Deathbringer Thoctar. Remove a +1/+1 counter from Deathbringer Thoctar: It deals 1 damage to any target.

Flying, haste Other creatures you control have haste. Whenever an opponent casts a creature or planeswalker spell with the same name as a card in their graveyard, that player loses 10 life.

Flash When Garna, the Bloodflame enters the battlefield, return to your hand all creature cards in your graveyard that were put there from anywhere this turn. Other creatures you control have haste.

Whenever another creature enters the battlefield, you may put X +1/+1 counters on Hamletback Goliath, where X is that creature's power.

Trample Whenever Ilharg, the Raze-Boar attacks, you may put a creature card from your hand onto the battlefield tapped and attacking. Return that creature to your hand at the beginning of the next end step. When Ilharg, the Raze-Boar dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

When Kardur, Doomscourge enters the battlefield, until your next turn, creatures your opponents control attack each combat if able and attack a player other than you if able. Whenever an attacking creature dies, each opponent loses 1 life and you gain 1 life.

Flying Whenever a creature an opponent controls is dealt damage, put a +1/+1 counter on Kazarov, Sengir Pureblood. {3}{R}: Kazarov deals 2 damage to target creature.

Afflict 1 (Whenever this creature becomes blocked, defending player loses 1 life.)

Flying Wither (This deals damage to creatures in the form of -1/-1 counters.) Creatures your opponents control with counters on them can't attack or block.

Haste; fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever Lightning Reaver deals combat damage to a player, put a charge counter on it. At the beginning of your end step, Lightning Reaver deals damage equal to the number of charge counters on it to each opponent.

Flying When Malfegor enters the battlefield, discard your hand. Each opponent sacrifices a creature for each card discarded this way.

Whenever Mardu Shadowspear attacks, each opponent loses 1 life. Dash {1}{B} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Multicolored creatures you control have deathtouch.

Afflict 2 (Whenever this creature becomes blocked, defending player loses 2 life.) {2}{B}, Discard a card: Merciless Eternal gets +2/+2 until end of turn.

Trample Whenever Neheb, Dreadhorde Champion deals combat damage to a player or planeswalker, you may discard any number of cards. If you do, draw that many cards and add that much {R}. Until end of turn, you don't lose this mana as steps and phases end.

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.) At the beginning of your postcombat main phase, add {R} for each 1 life your opponents have lost this turn.

Devoid (This card has no color.) {T}: Nettle Drone deals 1 damage to each opponent. Whenever you cast a colorless spell, untap Nettle Drone.

Flying {1}{R}: Olivia Voldaren deals 1 damage to another target creature. That creature becomes a Vampire in addition to its other types. Put a +1/+1 counter on Olivia Voldaren. {3}{B}{B}: Gain control of target Vampire for as long as you control Olivia Voldaren.

Flying, trample When Orcus, Prince of Undeath enters the battlefield, choose one — • Each other creature gets -X/-X until end of turn. You lose X life. • Return up to X target creature cards with total mana value X or less from your graveyard to the battlefield. They gain haste until end of turn.

Flying, trample When Rakdos, the Showstopper enters the battlefield, flip a coin for each creature that isn't a Demon, Devil, or Imp. Destroy each creature whose coin comes up tails.

Flying Other Demons, Devils, Imps, and Tieflings you control get +1/+1 and have lifelink. At the beginning of each end step, if a creature card was put into your graveyard from anywhere this turn, create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."

At the beginning of each end step, each player discards their hand.

Haste {T}: Target black or red creature gains haste until end of turn.

Defender {T}: Spear Spewer deals 1 damage to each player.

When you cast this spell, exile two target permanents. Indestructible Whenever Ulamog, the Ceaseless Hunger attacks, defending player exiles the top twenty cards of their library.

Creatures you control have haste. Creatures your opponents control enter the battlefield tapped.

Enchant creature Enchanted creature gets +2/+1 and has "{R}: This creature gains trample until end of turn."

Enchant creature As long as enchanted creature is black, it gets +1/+1 and has wither. (It deals damage to creatures in the form of -1/-1 counters.) As long as enchanted creature is red, it gets +1/+1 and has first strike.

Players can't gain life. At the beginning of each player's upkeep, that player loses half their life, rounded up.

Whenever a nontoken creature enters the battlefield under your control, flip a coin until you lose a flip. For each flip you won, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

Whenever a player casts a spell from their hand, that player exiles it, then exiles cards from the top of their library until they exile a card that shares a card type with it. That player may cast that card without paying its mana cost. Then they put all cards exiled with Possibility Storm on the bottom of their library in a random order.

Whenever a creature an opponent controls dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") At the beginning of your upkeep, if you control ten or more Treasures, you win the game.

If an opponent would gain life, that player loses that much life instead.

Destroy target artifact, creature, or planeswalker.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Add {B}{B}{B}.

({B/P} can be paid with either {B} or 2 life.) Target creature gets -5/-5 until end of turn.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Destroy target creature.

Bloodfell Caves enters the battlefield tapped. When Bloodfell Caves enters the battlefield, you gain 1 life. {T}: Add {B} or {R}.

({T}: Add {B} or {R}.) Canyon Slough enters the battlefield tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add one mana of any color in your commander's color identity.

Crypt of Agadeem enters the battlefield tapped. {T}: Add {B}. {2}, {T}: Add {B} for each black creature card in your graveyard.

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain. {T}: Add {B} or {R}.

As Foreboding Ruins enters the battlefield, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters the battlefield tapped. {T}: Add {B} or {R}.

{T}: Add {C}. {B/R}, {T}: Add {B}{B}, {B}{R}, or {R}{R}.

Lavaclaw Reaches enters the battlefield tapped. {T}: Add {B} or {R}. {1}{B}{R}: Until end of turn, Lavaclaw Reaches becomes a 2/2 black and red Elemental creature with "{X}: This creature gets +X/+0 until end of turn." It's still a land.

{T}: Add {C}. {1}, {T}: Put a storage counter on Molten Slagheap. {1}, Remove X storage counters from Molten Slagheap: Add X mana in any combination of {B} and/or {R}.

({T}: Add {R}.)

Rakdos Carnarium enters the battlefield tapped. When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand. {T}: Add {B}{R}.

Rakdos Guildgate enters the battlefield tapped. {T}: Add {B} or {R}.

You have no maximum hand size. {T}: Add {C}.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {B} or {R}. Activate only if you control a Swamp.

Creatures you control have menace. −2: Amass Zombies 2. (Put two +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

If another red source you control would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead. −2: Jaya, Venerated Firemage deals 2 damage to any target.

Return target creature card from your graveyard to the battlefield. It gains haste until your next turn.

Target creature you control deals damage equal to its power to each other creature and each opponent.

Devil's Play deals X damage to any target. Flashback {X}{R}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Destroy target creature or planeswalker.

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

All creatures get -4/-4 until end of turn.

This spell costs 3 life more to cast for each target. Destroy any number of target creatures.

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.