Give em Bad Stuff!

Flying, trample

You can't win the game and your opponents can't lose the game.

Defender

When Akroan Horse enters the battlefield, an opponent gains control of it.

At the beginning of your upkeep, each opponent creates a 1/1 white Soldier creature token.

Reveal the top six cards of your library. An opponent exiles a nonland card from among them, then you put the rest into your hand. That opponent may cast the exiled card without paying its mana cost.

Flying

If damage would be dealt to you, prevent that damage and mill twice that many cards.

Flying

Archfiend of the Dross enters the battlefield with four oil counters on it.

At the beginning of your upkeep, remove an oil counter from Archfiend of the Dross. Then if it has no oil counters on it, you lose the game.

Whenever a creature an opponent controls dies, its controller loses 2 life.

Flying

Whenever Blim, Comedic Genius deals combat damage to a player, that player gains control of target permanent you control. Then each player loses life and discards cards equal to the number of permanents they control but don't own.

When a player other than Bronze Bombshell's owner controls it, that player sacrifices it. If the player does, Bronze Bombshell deals 7 damage to the player.

Captive Audience enters the battlefield under the control of an opponent of your choice.

At the beginning of your upkeep, choose one that hasn't been chosen —

• Your life total becomes 4.

• Discard your hand.

• Each opponent creates five 2/2 black Zombie creature tokens.

When Coveted Jewel enters the battlefield, draw three cards.

{T}: Add three mana of any one color.

Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of Coveted Jewel. Untap it.

When Demonic Lore enters the battlefield, draw three cards.

At the beginning of your end step, you lose 2 life for each card in your hand.

At the beginning of your upkeep, choose one that hasn't been chosen —

• Demonic Pact deals 4 damage to any target and you gain 4 life.

• Target opponent discards two cards.

• Draw two cards.

• You lose the game.

Flying

At the beginning of your upkeep, sacrifice a creature other than Demonic Taskmaster.

Flying

Whenever a player casts a spell, you lose 1 life.

Each creature has "When this creature dies, choose target opponent. That player puts this card from its owner's graveyard onto the battlefield under their control at the beginning of the next end step."

Non-Eye creatures you control can't attack.

Evil Eye of Orms-by-Gore can't be blocked except by Walls.

Non-Eye creatures you control can't attack.

Whenever Evil Eye of Urborg becomes blocked by a creature, destroy that creature.

Draw cards equal to the mana value of target artifact or creature you control. An opponent gains control of that permanent.

Whenever Filthy Cur is dealt damage, you lose that much life.

Whenever Firedrinker Satyr is dealt damage, it deals that much damage to you.

{1}{R}: Firedrinker Satyr gets +1/+0 until end of turn and deals 1 damage to you.

If you would draw a card, return a card from your graveyard to your hand instead. If you can't, you lose the game.

If a card would be put into your graveyard from anywhere, exile that card instead.

At the beginning of your upkeep, Form of the Dragon deals 5 damage to any target.

At the beginning of each end step, your life total becomes 5.

Creatures without flying can't attack you.

Whenever Goblin Cadets blocks or becomes blocked, target opponent gains control of it. (This removes Goblin Cadets from combat.)

Flying, haste

If a source would deal damage to you, it deals double that damage to you instead.

If a source would deal damage to Goldnight Castigator, it deals double that damage to Goldnight Castigator instead.

Whenever Grollub is dealt damage, each opponent gains that much life.

{T}: Draw two cards. Target opponent gains control of Humble Defector. Activate only during your turn.

{T}, Exile two cards from your graveyard: Draw a card.

If damage would be dealt to you, prevent that damage. Exile a card from your graveyard for each 1 damage prevented this way.

When there are no cards in your graveyard, you lose the game.

Whenever Jackal Pup is dealt damage, it deals that much damage to you.

Berzerker — Khârn the Betrayer attacks or blocks each combat if able.

Sigil of Corruption — When you lose control of Khârn the Betrayer, draw two cards.

The Betrayer — If damage would be dealt to Khârn the Betrayer, prevent that damage and an opponent of your choice gains control of it.

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.

Flying

At the beginning of your upkeep, each opponent draws a card.

Midnight Oil enters the battlefield 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.

({T}: Add {R}.)

If damage would be dealt to you, exile that many cards from your graveyard instead. If you can't, you lose the game.

If you would gain life, draw that many cards instead.

When Nefarious Lich leaves the battlefield, you lose the game.

Players can't draw cards.

At the beginning of each player's draw step, that player exiles the top card of their library. If it's a land card, the player puts it onto the battlefield. Otherwise, the player casts it without paying its mana cost if able.

Pendant of Prosperity enters the battlefield under the control of an opponent of your choice.

{2}, {T}: Draw a card, then you may put a land card from your hand onto the battlefield. Pendant of Prosperity's owner draws a card, then that player may put a land card from their hand onto the battlefield.

{T}: Add one mana of any color. An opponent gains control of Rainbow Vale at the beginning of the next end step.

Flying

At the beginning of your upkeep, sacrifice an artifact other than Rust Elemental. If you can't, tap Rust Elemental and you lose 4 life.

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

When Sleeper Agent enters the battlefield, target opponent gains control of it.

At the beginning of your upkeep, Sleeper Agent deals 2 damage to you.

({T}: Add {B}.)

Whenever Thrashing Mudspawn is dealt damage, you lose that much life.

Morph {1}{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 Treacherous Blessing enters the battlefield, draw three cards.

Whenever you cast a spell, you lose 1 life.

When Treacherous Blessing becomes the target of a spell or ability, sacrifice it.

When Treacherous Pit-Dweller enters the battlefield from a graveyard, target opponent gains control of it.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Volcano Hellion has echo {X}, where X is your life total. (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.)

When Volcano Hellion enters the battlefield, it deals an amount of damage of your choice to you and target creature. The damage can't be prevented.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

{T}: Add {B}{B}{B}{B}. Target opponent gains control of Witch Engine. (Activate only as an instant.)

Players can't gain life.

At the beginning of your upkeep, Witch Hunt deals 4 damage to you.

At the beginning of your end step, target opponent chosen at random gains control of Witch Hunt.

Whenever another creature enters the battlefield, you lose 1 life.