Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following abilities until end of turn.)

Deathtouch

Whenever this creature deals combat damage to a player or battle, return target creature card from your graveyard to the battlefield.

{1}{R}: Put a +1/+1 counter on Ashling the Pilgrim. If this is the third time this ability has resolved this turn, remove all +1/+1 counters from Ashling the Pilgrim, and it deals that much damage to each creature and each player.

Trample, haste

Skilled Outrider -- Whenever Atalan Jackal deals combat damage to a player, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}, Sacrifice another creature or artifact: Ayara, Widow of the Realm deals X damage to target opponent or battle and you gain X life, where X is the sacrificed permanent's mana value.

{5}{R/P}: Transform Ayara. Activate only as a sorcery. ({R/P} can be paid with either {R} or 2 life.)

At the beginning of combat on your turn, return up to one target artifact or creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step.

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

When Brass's Tunnel-Grinder enters the battlefield, discard any number of cards, then draw that many cards plus one.

At the beginning of your end step, if you descended this turn, put a bore counter on Brass's Tunnel-Grinder. Then if there are three or more bore counters on it, remove those counters and transform it. (You descended if a permanent card was put into your graveyard from anywhere.)

(Transforms from Brass's Tunnel-Grinder.)

{T}: Add {R}.

Whenever you cast a permanent spell using mana produced by Tecutlan, the Searing Rift, discover X, where X is that spell's mana value.

Animate Chains -- When Chain Devil enters the battlefield, each player sacrifices a nontoken creature.

{3}{B}{B}, {T}, Sacrifice X other creatures: Return X target creature cards from your graveyard to the battlefield.

{5}{B}{B}: Put Champion of Stray Souls on top of your library from your graveyard.

Haste

When Charming Scoundrel enters the battlefield, choose one --

• Discard a card, then draw a card.

• Create a Treasure token.

• Create a Wicked Role token attached to target creature you control.

Fathomless descent -- When Chupacabra Echo enters the battlefield, target creature an opponent controls gets -X/-X until end of turn, where X is the number of permanent cards in your graveyard.

Activated abilities of artifacts can't be activated.

Enchant creature card in a graveyard

When Dance of the Dead enters the battlefield, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with Dance of the Dead." Put enchanted creature card onto the battlefield tapped under your control and attach Dance of the Dead to it. When Dance of the Dead leaves the battlefield, that creature's controller sacrifices it.

Enchanted creature gets +1/+1 and doesn't untap during its controller's untap step.

At the beginning of the upkeep of enchanted creature's controller, that player may pay {1}{B}. If the player does, untap that creature.

Prevent all combat damage that would be dealt this turn.

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

Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

When Disciple of Bolas enters the battlefield, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power.

{1}{B}, Sacrifice an artifact or creature: Draw a card.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Threshold -- If seven or more cards are in your graveyard, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle.

As an additional cost to cast this spell, discard X cards.

Firestorm deals X damage to each of X targets.

Prevent all combat damage that would be dealt this turn.

Return target permanent card from your graveyard to your hand. If a creature died this turn, create two 1/1 green Saproling creature tokens.

At the beginning of your upkeep, if Genesis is in your graveyard, you may pay {2}{G}. If you do, return target creature card from your graveyard to your hand.

Flash

If a player would begin an extra turn, that player skips that turn instead.

{4}, {T}, Exile Gerrard's Hourglass Pendant: Return to the battlefield tapped all artifact, creature, enchantment, and land cards in your graveyard that were put there from the battlefield this turn.

Trample

Whenever Giant Adephage deals combat damage to a player, create a token that's a copy of Giant Adephage.

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

As long as Grist, the Hunger Tide isn't on the battlefield, it's a 1/1 Insect creature in addition to its other types.

+1: Create a 1/1 black and green Insect creature token, then mill a card. If an Insect card was milled this way, put a loyalty counter on Grist and repeat this process.

-2: You may sacrifice a creature. When you do, destroy target creature or planeswalker.

-5: Each opponent loses life equal to the number of creature cards in your graveyard.

Choose one --

• Creatures without flying can't block this turn.

• Gain control of all permanents you own.

• Gruul Charm deals 3 damage to each creature with flying.

Flying, trample, haste

{R}: Hellkite Overlord gets +1/+0 until end of turn.

{B}{G}: Regenerate Hellkite Overlord.

Choose one --

• Destroy target artifact.

• Destroy target enchantment.

• Destroy target artifact and target enchantment.

Jarad, Golgari Lich Lord gets +1/+1 for each creature card in your graveyard.

{1}{B}{G}, Sacrifice another creature: Each opponent loses life equal to the sacrificed creature's power.

Sacrifice a Swamp and a Forest: Return Jarad from your graveyard to your hand.

Flying

When Kokusho, the Evening Star dies, each opponent loses 5 life. You gain life equal to the life lost this way.

Flying

Whenever a player sacrifices another permanent, put a +1/+1 counter on each creature you control.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Whenever Meandering Towershell attacks, exile it. Return it to the battlefield under your control tapped and attacking at the beginning of the declare attackers step on your next turn.

At the beginning of each player's end step, tap all untapped Islands that player controls and Monsoon deals X damage to the player, where X is the number of Islands tapped this way.

Whenever one or more other creatures die, draw a card. This ability triggers only once each turn.

Mortivore's power and toughness are each equal to the number of creature cards in all graveyards.

{B}: Regenerate Mortivore.

Bestow {2}{B}{B} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Nighthowler and enchanted creature each get +X/+X, where X is the number of creature cards in all graveyards.

Haste

Whenever a creature you control with haste attacks, create a tapped Treasure token.

Renown 6 (When this creature deals combat damage to a player, if it isn't renowned, put six +1/+1 counters on it and it becomes renowned.)

Outland Colossus can't be blocked by more than one creature.

You may play lands from your graveyard.

Unearth {G}{G} ({G}{G}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Prototype {1}{B}{B} -- 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

Menace, lifelink

Ward--Pay life equal to Phyrexian Fleshgorger's power.

Deathtouch

As Plague Engineer enters the battlefield, choose a creature type.

Creatures of the chosen type your opponents control get -1/-1.

Enrage -- Whenever Polyraptor is dealt damage, create a token that's a copy of Polyraptor.

Razorlash Transmogrant can't block.

{4}{B}{B}: Return Razorlash Transmogrant from your graveyard to the battlefield with a +1/+1 counter on it. This ability costs {4} less to activate if an opponent controls four or more nonbasic lands.

Each player sacrifices a creature. If you sacrificed a creature this way, you may return another permanent card from your graveyard to the battlefield.

Whenever you sacrifice a creature, you may return target creature card with lesser mana value from your graveyard to the battlefield tapped. Do this only once each turn.

Menace, lifelink

{1}, Sacrifice another creature: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

At the beginning of your end step, if there are five or more mana values among cards in your graveyard, you may pay 2 life. If you do, draw a card.

First strike, trample

Whenever Sardian Avenger attacks, it gets +X/+0 until end of turn, where X is the number of artifacts your opponents control.

Whenever an artifact an opponent controls is put into a graveyard from the battlefield, Sardian Avenger deals 1 damage to that player.

Whenever you sacrifice a black creature, you may pay 2 life. If you do, each other player sacrifices a creature.

Whenever you sacrifice a green creature, you may gain 2 life.

When Shadowgrange Archfiend enters the battlefield, each opponent sacrifices a creature with the greatest power among creatures they control. You gain life equal to the greatest power among creatures sacrificed this way.

Madness--{2}{B}, Pay 8 life. (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

{1}{G}, {T}, Return Shigeki, Jukai Visionary to its owner's hand: Reveal the top four cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest into your graveyard.

Channel -- {X}{X}{G}{G}, Discard Shigeki: Return X target nonlegendary cards from your graveyard to your hand.

Devoid (This card has no color.)

Whenever another nontoken creature you control dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}." ({C} represents colorless mana.)

Enrage -- Whenever Silverclad Ferocidons is dealt damage, each opponent sacrifices a permanent.

{R}{G}: Creatures you control gain trample until end of turn.

{1}{R}{G}: Target land you control becomes a 4/4 Elemental creature until end of turn. It's still a land.

Skull Rend deals 2 damage to each opponent. Those players each discard two cards at random.

{R}: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

Flying

When Specter of Mortality enters the battlefield, you may exile one or more creature cards from your graveyard. When you do, each other creature gets -X/-X until end of turn, where X is the number of cards exiled this way.

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 of your library in a random order.)

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Devour X, where X is the number of creatures devoured this way (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with X +1/+1 counters on it for each of those creatures.)

Haste

Whenever you cast a spell, if it's the second creature spell you cast this turn, you may return Vengevine from your graveyard to the battlefield.

When Young Necromancer enters the battlefield, you may exile two cards from your graveyard. When you do, return target creature card from your graveyard to the battlefield.