As an additional cost to cast this spell, sacrifice a creature.

Flying, trample

Demonfire deals X damage to any target. If a creature dealt damage this way would die this turn, exile it instead.

Hellbent — If you have no cards in hand, this spell can't be countered and the damage can't be prevented.

Exile the top thirteen cards of your library, then search your library for a card. Put that card into your hand, then shuffle.

Enchant creature

Enchanted creature gets +3/+1, has flying, and is a Demon in addition to its other types.

You may cast Demonic Embrace from your graveyard by paying 3 life and discarding a card in addition to paying its other costs.

When Demonic Lore enters, draw three cards.

At the beginning of your end step, you lose 2 life for each card in your hand.

Enchant creature

Enchanted creature gets +1/+1 and has menace and trample.

When Demonic Ruckus is put into a graveyard from the battlefield, draw a card.

Plot (You may pay and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Flying

At the beginning of your upkeep, sacrifice a creature other than Demonic Taskmaster.

2 — Outlast (, : Put a +1/+1 counter on this creature. Outlast only as a sorcery.)

3 — When this permanent dies, you get seven .

2 — 1/4

5 — 9/6

Enchant creature

Enchanted creature gets +1/+1.

When enchanted creature dies, return that card to its owner's hand.

Flying

When Demonlord of Ashmouth enters, exile it unless you sacrifice another creature.

Undying (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.)

Target creature gets -5/-5 until end of turn.

Whenever a player casts a black spell, you may gain 1 life.

All creatures gain menace until end of turn. (They can't be blocked except by two or more creatures.)

Threshold — If seven or more cards are in your graveyard, creatures can't block this turn.

Creatures with power less than Den Protector's power can't block it.

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Den Protector is turned face up, return target card from your graveyard to your hand.

When Denethor, Stone Seer enters, scry 2.

, , Sacrifice Denethor: Target player becomes the monarch. Denethor deals 3 damage to any target.

Lifelink

Cards in graveyards can't be the targets of spells or abilities.

Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Return target permanent to its owner's hand.

Return target nonland permanent to its owner's hand.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Flying

Departed Soulkeeper can block only creatures with flying.

If Departed Soulkeeper would be put into a graveyard from anywhere, exile it instead.

Lifelink

Depth Charge Colossus doesn't untap during your untap step.

: Untap Depth Charge Colossus.

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

6/6

Return target creature to its owner's hand. Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

, Mill a card: Add . (To mill a card, put the top card of your library into your graveyard.)

, Sacrifice a Human: Put two +1/+1 counters on target creature.

When you unlock this door, you draw two cards and you lose 2 life.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Flying

When Derevi, Empyrial Tactician enters and whenever a creature you control deals combat damage to a player, you may tap or untap target permanent.

: Put Derevi onto the battlefield from the command zone.

Imprint — As Dermotaxi enters, exile a creature card from a graveyard.

Tap two untapped creatures you control: Until end of turn, Dermotaxi becomes a copy of the exiled card, except it's a Vehicle artifact in addition to its other types.

At the beginning of your upkeep, put a +1/+1 counter on Descendant of Masumaro for each card in your hand, then remove a +1/+1 counter from Descendant of Masumaro for each card in target opponent's hand.

Whenever one or more creatures you control deal combat damage to a player, you may sacrifice one of them. If you do, reveal cards from the top of your library until you reveal a creature card that shares a creature type with the sacrificed creature. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

Destroy any number of target creatures. For each creature destroyed this way, its controller creates a 4/4 red Dragon creature token with flying.

For each opponent, exile up to one target permanent that player controls with an even mana value. (Zero is even.)

Adamant — If at least three colorless mana was spent to cast this spell, return a permanent card with an odd mana value from your graveyard to the battlefield.

Whenever one or more creature cards leave your graveyard, create a 1/1 black Bat creature token with flying.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Whenever a player casts a spell, sacrifice a creature.

When Desecrator Hag enters, return to your hand the creature card in your graveyard with the greatest power. If two or more cards are tied for greatest power, you choose one of them.

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

Desertwalk

Prevent all damage that would be dealt to Desert Nomads by Deserts.

Desert of the Glorified enters tapped.

: Add .

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

Desert of the Mindful enters tapped.

: Add .

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

Desert Sandstorm deals 1 damage to each creature.

Whenever you sacrifice a Desert and whenever a Desert card is put into your graveyard from your hand or library, put that card onto the battlefield under your control at the beginning of your next end step.

At the beginning of combat on your turn, if you control five or more Deserts, create that many 1/1 red, green, and white Sand Warrior creature tokens. They gain haste.

: Add .

, : Untap target land.

Counter target spell. If an artifact or creature spell is countered this way, put that card onto the battlefield under your control instead of into its owner's graveyard.

Enchant creature

When Desert's Hold enters, if you control a Desert or there is a Desert card in your graveyard, you gain 3 life.

Enchanted creature can't attack or block, and its activated abilities can't be activated.

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Until end of turn, creatures you control gain menace and "Whenever this creature deals combat damage to a player, that player discards a card."

Lifelink

When Desperate Bloodseeker enters, target player mills two cards. (They put the top two cards of their library into their graveyard.)

Creatures you control get +2/+0 until end of turn.

Choose a source you control and flip a coin. If you win the flip, the next time that source would deal damage this turn, it deals double that damage instead. If you lose the flip, the next time it would deal damage this turn, prevent that damage.

Target creature gets -4/-0 until end of turn. (Then exile this card. You may cast the creature later from exile.)

Choose a card name other than a basic land card name. Reveal the top seven cards of your library and put all of them with that name into your hand. Exile the rest.

When Desperate Sentry dies, create a 3/2 colorless Eldrazi Horror creature token.

Delirium — Desperate Sentry gets +3/+0 as long as there are four or more card types among cards in your graveyard.