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

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.

Lands you control have "{T}: Add one mana of any color." {T}: Add one mana of any color.

{3}, {T}: Double the amount of each type of unspent mana you have.

Equipped creature has defender and "{2}, {T}: Other creatures you control gain trample and get +X/+X until end of turn, where X is this creature's power." Equip {3}

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

Equipped creature has vigilance. Whenever another artifact or creature is put into a graveyard from the battlefield, put a +1/+1 counter on equipped creature. Equip {2}

Equipped creature has "{2}, {T}: This creature deals 1 damage to any target" and "Whenever a creature dies, untap this creature." Whenever a Shaman creature enters the battlefield, you may attach Thornbite Staff to it. Equip {4}

Flying At the beginning of each upkeep, create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life." Pay 10 life: Untap all lands you control. Activate only once each turn.

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

Flying Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.) If one or more tokens would be created under your control, those tokens plus that many 1/1 green Squirrel creature tokens are created instead. {B}, Sacrifice X Squirrels: Target creature gets +X/-X until end of turn.

{T}: Add {G} for each creature you control.

Haste When Craterhoof Behemoth enters the battlefield, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.

When Dockside Extortionist enters the battlefield, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control. (Treasure tokens are artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Reach Whenever an opponent casts a spell, create a 1/1 green Insect creature token.

If a creature dying causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. {B/P}{B/P}, Exile three creature cards from your graveyard: Put an indestructible counter on Drivnod, Carnage Dominus. ({B/P} can be paid with either {B} or 2 life.)

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {T}: Add {B}, {R}, or {G}.

Flying Whenever Korvold, Fae-Cursed King enters the battlefield or attacks, sacrifice another permanent. Whenever you sacrifice a permanent, put a +1/+1 counter on Korvold and draw a card.

At the beginning of combat on your turn, create a 2/1 red Elemental creature token with trample and haste. Sacrifice it at the beginning of the next end step. {T}: Search your library for a card, put it into your hand, then shuffle. Activate only if five or more creatures died this turn.

At the beginning of your end step, create a Treasure token for each creature that died this turn. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

All Rats have fear. {T}, Sacrifice a Rat: Create X 1/1 black Rat creature tokens, where X is the number of Rats you control.

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

Flying Whenever you create or sacrifice a token, each opponent loses 1 life.

Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.) At the beginning of your upkeep, create a 1/1 green Saproling creature token for each +1/+1 counter on Mycoloth.

Whenever another creature enters the battlefield under your control, that creature gets +2/+0 and gains haste until end of turn. (It can attack and {T} this turn.)

Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Indestructible As long as your devotion to red is less than five, Purphoros isn't a creature. Whenever another creature enters the battlefield under your control, Purphoros deals 2 damage to each opponent. {2}{R}: Creatures you control get +1/+0 until end of turn.

This spell can't be countered. {R/G}: Target spell can't be countered.

At the beginning of your upkeep, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

When Bastion of Remembrance enters the battlefield, create a 1/1 white Human Soldier creature token. Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.

Whenever a creature dies, put a charge counter on Black Market. At the beginning of your precombat main phase, add {B} for each charge counter on Black Market.

Exile a creature you control: Add X mana of any one color, where X is 1 plus the exiled creature's mana value. Spend this mana only to cast creature spells.

Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.

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

Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.

Whenever a creature enters the battlefield, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

At the beginning of your upkeep, you draw a card and you lose 1 life.

This spell costs {1} less to cast for each creature that died this turn. Discard your hand, then draw eight cards. Blood for the Blood God! deals 8 damage to each opponent. Exile Blood for the Blood God!

Spectacle {B} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) Draw a card for each creature that died under your control this turn.

Choose one — • All creatures get -1/-1 until end of turn. • Destroy target enchantment. • Regenerate each creature you control.

As an additional cost to cast this spell, sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Choose one — • Counter target spell if it's blue. • Destroy target permanent if it's blue.

Choose one — • Exile target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

Choose one — • Counter target blue spell. • Destroy target blue permanent.

For each token you control, create a token that's a copy of that permanent.

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

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

({T}: Add {G}.)

{T}: Add {C}. {1}, {T}, Sacrifice Jund Panorama: Search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {T}: Add {R} or {G}. Karplusan Forest deals 1 damage to you.

{T}: Add {C}. {1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

{T}: Add {C}. {T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.

({T}: Add {R}.)

When Riveteers Overlook enters the battlefield, sacrifice it. When you do, search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest. {T}: Add {R} or {G}.

Savage Lands enters the battlefield tapped. {T}: Add {B}, {R}, or {G}.

{T}: Add {C}. {T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

({T}: Add {B}.)

Create X 1/1 green Forest Dryad land creature tokens. (They're affected by summoning sickness.)

Crackle with Power deals five times X damage to each of up to X targets.

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

As an additional cost to cast this spell, sacrifice a creature. Search your library for a card, put that card into your hand, then shuffle.

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

Cleave {1}{B}{B}{G} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Search your library for a [basic land] card, [reveal it,] put it into your hand, then shuffle.

Search your library for a card, put that card into your hand, then shuffle. You lose 3 life.

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Add {R} for each card in target opponent's hand. • Exile the top three cards of your library. You may play them this turn.

Suspend 2—{1}{B} (Rather than cast this card from your hand, pay {1}{B} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) Search your library for a card, put that card into your hand, then shuffle.

Create X 1/1 black Rat creature tokens with "This creature can't block." Creatures you control gain haste until end of turn.

Tempting offer — Create X 1/1 red Elemental creature tokens with haste. Each opponent may create X 1/1 red Elemental creature tokens with haste. For each opponent who does, create X 1/1 red Elemental creature tokens with haste.

Repeat the following process X times. Each opponent loses 3 life unless that player sacrifices a nonland permanent or discards a card.

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

Sacrifice this creature: Add {C}.

Trample, haste

Haste

(This creature is affected by summoning sickness, and it has "{T}: Add {G}.")

When this creature dies, you gain 1 life.

This creature can't block.

Haste