Call for Blood

As an additional cost to cast this spell, sacrifice a creature.
Target creature gets -X/-X until end of turn, where X is the sacrificed creature's power.

Carnival of Souls

Whenever a creature enters, you lose 1 life and add {B}.

Kamahl's Sledge

Kamahl's Sledge deals 4 damage to target creature.
Threshold — If seven or more cards are in your graveyard, instead Kamahl's Sledge deals 4 damage to that creature and 4 damage to that creature's controller.

Cradle to Grave

Destroy target nonblack creature that entered this turn.

Minion of the Wastes

Trample
As Minion of the Wastes enters, pay any amount of life.
Minion of the Wastes's power and toughness are each equal to the life paid as it entered.

Iroas's Blessing

Enchant creature you control
When Iroas's Blessing enters, it deals 4 damage to target creature or planeswalker an opponent controls.
Enchanted creature gets +1/+1.

Mindless Null

Mindless Null can't block unless you control a Vampire.

The Brute

Enchant creature
Enchanted creature gets +1/+0.
{R}{R}{R}: Regenerate enchanted creature.

Chimney Imp

Flying
When Chimney Imp dies, target opponent puts a card from their hand on top of their library.

Scorching Spear

Scorching Spear deals 1 damage to any target.

Cyclopean Snare

{3}, {T}: Tap target creature, then return Cyclopean Snare to its owner's hand.

Shinka Gatekeeper

Whenever Shinka Gatekeeper is dealt damage, it deals that much damage to you.

Mountain

Addle

Choose a color. Target player reveals their hand and you choose a card of that color from it. That player discards that card.

Book Burning

Any player may have Book Burning deal 6 damage to them. If no one does, target player mills six cards.

Word of Binding

Hint of Insanity

Target player reveals their hand. That player discards all nonland cards with the same name as another card in their hand.

Psychotic Fury

Target multicolored creature gains double strike until end of turn.
Draw a card.

Maniacal Rage

Enchant creature
Enchanted creature gets +2/+2 and can't block.

Shinen of Fear's Chill

Shinen of Fear's Chill can't block.
Channel — {1}{B}, Discard Shinen of Fear's Chill: Target creature can't block this turn.

Cuombajj Witches

{T}: Cuombajj Witches deals 1 damage to any target and 1 damage to any target of an opponent's choice.

Tectonic Fiend

Echo {4}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
Tectonic Fiend attacks each combat if able.

Viashino Skeleton

{1}{B}, Discard a card: Regenerate Viashino Skeleton.

Rain of Rust

Choose one —
• Destroy target artifact.
• Destroy target land.
Entwine {3}{R} (Choose both if you pay the entwine cost.)

Primordial Ooze

Primordial Ooze attacks each combat if able.
At the beginning of your upkeep, put a +1/+1 counter on Primordial Ooze. Then you may pay {X}, where X is the number of +1/+1 counters on it. If you don't, tap Primordial Ooze and it deals X damage to you.

Juju Bubble

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
When you play a card, sacrifice Juju Bubble.
{2}: You gain 1 life.

Midnight Oil

Midnight Oil enters with seven hour counters on it.
At the beginning of your draw step, draw an additional card and remove two hour counters from Midnight Oil.
Your maximum hand size is equal to the number of hour counters on Midnight Oil.
Whenever you discard a card, you lose 1 life.

Lightning Diadem

Enchant creature
When Lightning Diadem enters, it deals 2 damage to any target.
Enchanted creature gets +2/+2.

Nine-Ringed Bo

{T}: Nine-Ringed Bo deals 1 damage to target Spirit creature. If that creature would die this turn, exile it instead.

Crazed Goblin

Crazed Goblin attacks each combat if able.

Goblin Firebug

When Goblin Firebug leaves the battlefield, sacrifice a land.

Jandor's Ring

{2}, {T}, Discard the last card you drew this turn: Draw a card.

Face of Fear

{2}{B}, Discard a card: Face of Fear gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Sol Ring

Bog Hoodlums

Bog Hoodlums can't block.
When Bog Hoodlums enters, clash with an opponent. If you win, put a +1/+1 counter on Bog Hoodlums. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Jandor's Saddlebags

Numai Outcast

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)
{B}, Pay 5 life: Regenerate Numai Outcast.

Lich's Mastery

Hexproof
You can't lose the game.
Whenever you gain life, draw that many cards.
Whenever you lose life, for each 1 life you lost, exile a permanent you control or a card from your hand or graveyard.
When Lich's Mastery leaves the battlefield, you lose the game.

Taste of Blood

Taste of Blood deals 1 damage to target player or planeswalker and you gain 1 life.

Thermal Blast

Thermal Blast deals 3 damage to target creature.
Threshold — Thermal Blast deals 5 damage instead if seven or more cards are in your graveyard.

Ichor Explosion

As an additional cost to cast this spell, sacrifice a creature.
All creatures get -X/-X until end of turn, where X is the sacrificed creature's power.

Ordeal of Purphoros

Enchant creature
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Purphoros.
When you sacrifice Ordeal of Purphoros, it deals 3 damage to any target.

Obelisk of Undoing

{6}, {T}: Return target permanent you both own and control to your hand.

Waste Away

As an additional cost to cast this spell, discard a card.
Target creature gets -5/-5 until end of turn.

Demonic Embrace

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.

Fear

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

Goblin War Wagon

Goblin War Wagon doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {2}. If you do, untap Goblin War Wagon.

Rakalite

{2}: Prevent the next 1 damage that would be dealt to any target this turn. Return Rakalite to its owner's hand at the beginning of the next end step.

Swamp

Tombfire

Target player exiles all cards with flashback from their graveyard.

Swiftfoot Boots

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}

Shaman's Trance

Other players can't play lands or cast spells from their graveyards this turn. You may play lands and cast spells from other players' graveyards this turn as though those cards were in your graveyard.

Misinformation

Put up to three target cards from an opponent's graveyard on top of their library in any order.

Giant Slug

{5}: At the beginning of your next upkeep, choose a basic land type. Giant Slug gains landwalk of the chosen type until the end of that turn. (It can't be blocked as long as defending player controls a land of that type.)

Razor Boomerang

Equipped creature has "{T}, Unattach Razor Boomerang: It deals 1 damage to any target. Return Razor Boomerang to its owner's hand."
Equip {2}