Plaguebearer

{X}{X}{B}: Destroy target nonblack creature with mana value X.

Bone Saw

Equipped creature gets +1/+0.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Security Detail

{W}{W}: Create a 1/1 white Soldier creature token. Activate only if you control no creatures and only once each turn.

Shared Fate

If a player would draw a card, that player exiles the top card of one of their opponents' libraries face down instead.
Each player may look at cards they exiled with this enchantment, and they may play lands and cast spells from among those cards.

Nine-Ringed Bo

{T}: This artifact deals 1 damage to target Spirit creature. If that creature would die this turn, exile it instead.

Tibalt, the Fiend-Blooded

+1: Draw a card, then discard a card at random.
−4: Tibalt deals damage equal to the number of cards in target player's hand to that player.
−6: Gain control of all creatures until end of turn. Untap them. They gain haste until end of turn.

Withering Hex

Enchant creature
Whenever a player cycles a card, put a plague counter on this Aura.
Enchanted creature gets -1/-1 for each plague counter on this Aura.

Asmoranomardicadaistinaculdacar

As long as you've discarded a card this turn, you may pay {B/R} to cast this spell.
When Asmoranomardicadaistinaculdacar enters, you may search your library for a card named The Underworld Cookbook, reveal it, put it into your hand, then shuffle.
Sacrifice two Foods: Target creature deals 6 damage to itself.

Lotus Guardian

Break Open

Turn target face-down creature an opponent controls face up.

Coma Veil

Enchant artifact or creature
Enchanted permanent doesn't untap during its controller's untap step.

Scornful Egotist

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.)

Ohabi Caleria

Reach
Untap all Archers you control during each other player's untap step.
Whenever an Archer you control deals damage to a creature, you may pay {2}. If you do, draw a card.

Worst Fears

You control target player during that player's next turn. Exile Worst Fears. (You see all cards that player could see and make all decisions for them.)

Power Leak

Enchant enchantment
At the beginning of the upkeep of enchanted enchantment's controller, that player may pay any amount of mana. This Aura deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way.

Goblin Game

Each player hides at least one item, then all players reveal them simultaneously. Each player loses life equal to the number of items they revealed. The player who revealed the fewest items then loses half their life, rounded up. If two or more players are tied for fewest, each loses half their life, rounded up.

Takeno's Cavalry

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)
{T}: This creature deals 1 damage to target attacking or blocking Spirit.

Dispersing Orb

{3}{U}, Sacrifice a permanent: Return target permanent to its owner's hand.

Goblin Balloon Brigade

{R}: This creature gains flying until end of turn.

Goblin Spy

Play with the top card of your library revealed.

Thermal Blast

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

Razor Pendulum

At the beginning of each player's end step, if that player has 5 or less life, this artifact deals 2 damage to that player.

Infernal Denizen

At the beginning of your upkeep, sacrifice two Swamps. If you can't, tap this creature, and an opponent may gain control of a creature you control of their choice for as long as this creature remains on the battlefield.
{T}: Gain control of target creature for as long as this creature remains on the battlefield.

Alabaster Leech

White spells you cast cost {W} more to cast.

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 this artifact.
{2}: You gain 1 life.

Fodder Cannon

{4}, {T}, Sacrifice a creature: This artifact deals 4 damage to target creature.

Obelisk of Undoing

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

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}

Aeon Engine

This artifact enters tapped.
{T}, Exile this artifact: Reverse the game's turn order. (For example, if play had proceeded clockwise around the table, it now goes counterclockwise.)

Mudhole

Target player exiles all land cards from their graveyard.

Deep Water

{U}: Until end of turn, if you tap a land you control for mana, it produces {U} instead of any other type.

Ice Cauldron

{X}, {T}: You may exile a nonland card from your hand. You may cast that card for as long as it remains exiled. Put a charge counter on this artifact and note the type and amount of mana spent to pay this activation cost. Activate only if there are no charge counters on this artifact.
{T}, Remove a charge counter from this artifact: Add this artifact's last noted type and amount of mana. Spend this mana only to cast the last card exiled with this artifact.

Goblin Snowman

Whenever this creature blocks, prevent all combat damage that would be dealt to and dealt by it this turn.
{T}: This creature deals 1 damage to target creature it's blocking.

Exotic Pets

Create two 1/1 blue Fish creature tokens with "This token can't be blocked." Then for each kind of counter among creatures you control, put a counter of that kind on either of those tokens.

Zephyr Spirit

When this creature blocks, return it to its owner's hand.

Rushwood Elemental

Trample
At the beginning of your upkeep, you may put a +1/+1 counter on this creature.

Common Cause

Nonartifact creatures get +2/+2 as long as they all share a color.

Pale Moon

Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type.