Sacrifice a creature: Add {C}{C}.

When Cryptic Coat enters the battlefield, cloak the top card of your library, then attach Cryptic Coat to it. (To cloak a card, put it onto the battlefield face down as a 2/2 creature with ward {2}. Turn it face up any time for its mana cost if it's a creature card.) Equipped creature gets +1/+0 and can't be blocked. {1}{U}: Return Cryptic Coat to its owner's hand.

{T}: Add {R}. Put a stash counter on Glittering Stockpile. {T}, Sacrifice Glittering Stockpile: Add X mana of any one color, where X is the number of stash counters on Glittering Stockpile.

Arcane Life-support — If you would lose the game, instead exile The Golden Throne and your life total becomes 1. A Thousand Souls Die Every Day — {T}, Sacrifice a creature: Add three mana in any combination of colors.

At the beginning of each player's end step, if an artifact entered the battlefield under your control this turn, look at the top two cards of your library. Put one of them into your hand and the other into your graveyard.

This spell can't be countered. Flying, trample, protection from white and from blue {R}: Akroma, Angel of Fury gets +1/+0 until end of turn. Morph {3}{R}{R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Morph {3}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Aphetto Exterminator is turned face up, target creature gets -3/-3 until end of turn.

The first nonlegendary artifact spell you cast each turn has casualty 2. (As you cast it, you may sacrifice a creature with power 2 or greater. When you do, copy it. A copy of an artifact spell becomes a token.) Whenever you sacrifice another creature, put a +1/+1 counter on Ashad, the Lone Cyberman.

Flying When Ashcloud Phoenix dies, return it to the battlefield face down under your control. Morph {4}{R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Ashcloud Phoenix is turned face up, it deals 2 damage to each player.

Morph {X}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Bane of the Living is turned face up, all creatures get -X/-X until end of turn.

Trample, haste At the beginning of the end step, sacrifice Blistering Firecat. Morph {R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Menace {1}{B}, Sacrifice another creature: Put a +1/+1 counter on Boneyard Desecrator. If an outlaw was sacrificed this way, create a Treasure token. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)

Morph {5}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Brine Elemental is turned face up, each opponent skips their next untap step.

Whenever Cabal Executioner deals combat damage to a player, that player sacrifices a creature. Morph {3}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Morph {4}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Chromeshell Crab is turned face up, you may exchange control of target creature you control and target creature an opponent controls.

Flying Whenever Coveted Falcon attacks, gain control of target permanent you own but don't control. Disguise {1}{U} When Coveted Falcon is turned face up, target opponent gains control of any number of target permanents you control. Draw a card for each one they gained control of this way.

Protector — Other artifact creatures you control have hexproof.

{U}, {T}: Target creature attacks target opponent this turn if able. Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Exit Specialist can't be blocked by creatures with power 3 or greater. Disguise {1}{U} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When Exit Specialist is turned face up, return another target creature to its owner's hand.

Damage that would reduce your life total to less than 1 reduces it to 1 instead. Morph {R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Trample Whenever a creature an opponent controls dies, Gimli, Counter of Kills deals 1 damage to that creature's controller.

Morph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) Whenever another nontoken creature you control dies, draw a card.

Whenever Haunted Cadaver deals combat damage to a player, you may sacrifice it. If you do, that player discards three cards. Morph {1}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Morph {2}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Jeering Instigator is turned face up, if it's your turn, gain control of another target creature until end of turn. Untap that creature. It gains haste until end of turn.

Morph {4}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Kheru Spellsnatcher is turned face up, counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may cast that card without paying its mana cost for as long as it remains exiled.

Flying Morph {2}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Maelstrom Djinn is turned face up, put two time counters on it and it gains vanishing. (At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

Morph {2}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Master of the Veil is turned face up, you may turn target creature with a morph ability face down.

Permanents you control have "Ward—Sacrifice a permanent." Each artifact card in your graveyard has unearth {1}{B}{R}. ({1}{B}{R}: Return the 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.)

Flying Morph {2}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Mistfire Weaver is turned face up, target creature you control gains hexproof until end of turn.

Megamorph {5}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) When Monastery Loremaster is turned face up, return target noncreature, nonland card from your graveyard to your hand.

Disguise {R} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) Whenever Pyrotechnic Performer or another creature you control is turned face up, that creature deals damage equal to its power to each opponent.

Whenever Raven Guild Master deals combat damage to a player, that player exiles the top ten cards of their library. Morph {2}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Whenever Riptide Entrancer deals combat damage to a player, you may sacrifice it. If you do, gain control of target creature that player controls. (This effect lasts indefinitely.) Morph {U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Morph {3}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Skinthinner is turned face up, destroy target nonblack creature. It can't be regenerated.

Flying Whenever a creature dealt damage by Soul Collector this turn dies, return that card to the battlefield under your control. Morph {B}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Flying Megamorph {1}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) When Stratus Dancer is turned face up, counter target instant or sorcery spell.

Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad, the Grim deals 1 damage to each opponent. {1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)

When The Cyber-Controller enters the battlefield, each opponent mills X cards. Put all creature cards milled this way onto the battlefield face down under your control. They're 2/2 Cyberman artifact creatures. Other artifact creatures you control get +1/+1.

Flying Morph {5}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Thousand Winds is turned face up, return all other tapped creatures to their owners' hands.

Morph {2}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) Whenever Unblinking Bleb or another permanent is turned face up, you may scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

As Vesuvan Shapeshifter enters the battlefield or is turned face up, you may choose another creature on the battlefield. If you do, until Vesuvan Shapeshifter is turned face down, it becomes a copy of that creature, except it has "At the beginning of your upkeep, you may turn this creature face down." Morph {1}{U}

{B}, Sacrifice another creature or artifact: Put a +1/+1 counter on Vito's Inquisitor. It gains menace until end of turn.

Morph {X}{X}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Warbreak Trumpeter is turned face up, create X 1/1 red Goblin creature tokens.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — Target player mills two cards, then exiles their graveyard. III — Put all creature cards exiled with Death in Heaven onto the battlefield face down under your control. They're 2/2 Cyberman artifact creatures.

Flash Enchant creature Enchanted creature gets +2/+0. When enchanted creature dies, return it to the battlefield tapped under its owner's control.

Whenever a creature you control dies, each other player sacrifices a creature.

Enchant creature Enchanted creature has "At the beginning of your upkeep, sacrifice this creature unless you pay its mana cost."

Turn target creature with a morph ability face down. Cycling {U} ({U}, Discard this card: Draw a card.)

Turn target creature face down. It's a 2/2 Cyberman artifact creature.

If you control a commander, you may cast this spell without paying its mana cost. You may choose new targets for target spell or ability.

Choose one or both — • Turn target face-down creature face up. • Exile any number of face-up creatures you control with disguise in a face-down pile, shuffle that pile, then cloak them. (To cloak a card, put it onto the battlefield face down as a 2/2 creature with ward {2}. Turn it face up any time for its mana cost if it's a creature card.)

{T}: Add {C}. {3}, {T}: Target creature with power 3 or less can't be blocked this turn.

Hidden Necropolis enters the battlefield tapped. {T}: Add {B}. {4}{B}, {T}, Sacrifice Hidden Necropolis: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

({T}: Add {U}.)

({T}: Add {R}.)

Return target creature card from your graveyard to the battlefield. That creature explores, then it explores again. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard. Then repeat this process.)

Choose X. You may choose the same mode more than once. • Each player sacrifices a nonartifact creature. • Create a 3/3 black Dalek artifact creature token with menace. • Each opponent discards a card.

Return target creature card from your graveyard to the battlefield. Flashback—Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Spree (Choose one or more additional costs.) + {2} — Exchange control of two target creatures. + {1} — Exchange control of two target artifacts. + {1} — Exchange control of two target enchantments.

You can cover a face-down creature with this reminder card. A face-down creature that was cloaked or cast with disguise has ward {2}. (Whenever that creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

(This token can be used to represent a token that's a copy of a permanent.)

(You can cover a face-down creature that has become a Cyberman with this reminder card. It's a 2/2 Cyberman artifact creature.)

Menace

{1}, {T}, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard.)