At the beginning of your upkeep, if twenty or more creature cards are in your graveyard, you win the game.

When this creature enters, exile two target lands.
When this creature leaves the battlefield, return the exiled cards to the battlefield under their owners' control.
: This creature gets +1/+0 until end of turn.

First strike, haste
Discard a card at random: This creature gains protection from white until end of turn.

You don't lose the game for having 0 or less life.
When you have 20 or more life, you lose the game.
Whenever you lose life, you gain 2 life for each 1 life you lost. (Damage dealt to you causes you to lose life.)

Other Barbarian creatures get +1/+1.
: Another target Barbarian creature gets +1/+0 until end of turn.

Trample
Threshold — As long as there are seven or more cards in your graveyard, this creature gets +1/+1, is black, and has ", : Destroy target green creature."

All Nightmares get +1/+1.
, Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types.
When Chainer leaves the battlefield, exile all Nightmares.

As an additional cost to cast this spell, discard X cards.
Exile X target attacking creatures.

Reveal a card in your hand, then put that card onto the battlefield if it has the same name as a permanent.

Whenever a permanent other than this enchantment is put into a graveyard from the battlefield, this enchantment deals 1 damage to each creature and each player.
When no creatures are on the battlefield, sacrifice this enchantment.

When this creature enters, target player loses 6 life.
When this creature leaves the battlefield, that player gains 6 life.
: Regenerate this creature.

At the beginning of your upkeep, you lose 1 life.
At the beginning of your upkeep, you may return target creature card from your graveyard to the battlefield. That creature gains haste until end of turn. Exile it at the beginning of the next end step.

Flying
When this creature enters, if you cast it from your hand, exile all cards from target opponent's hand.
When this creature leaves the battlefield, return the exiled cards to their owner's hand.

Flying
Threshold — As long as there are seven or more cards in your graveyard, this creature gets +1/+1, is black, and has ", : Destroy target blue creature."

, , Exile two cards from your graveyard: This creature deals 2 damage to any target.

Flying
, Sacrifice Major Teroh: Exile all black creatures.

: Target player mills three cards.

Exile all graveyards.

The next creature spell you cast this turn can't be countered.
Draw a card.

The next instant or sorcery spell you cast this turn can't be countered.
Draw a card.

For each creature token on the battlefield, its controller creates a token that's a copy of that creature.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

All creatures get -1/-1 until end of turn for each Swamp you control.

Haste
At the beginning of the end step, sacrifice this creature.
At the beginning of your upkeep, if this card is in your graveyard, you may exile a black creature card other than this card from your graveyard. If you do, return this card to the battlefield.

As an additional cost to cast this spell, discard X cards.
Search your library for X cards, then shuffle and put those cards on top in any order.

Protection from black
Threshold — This creature gets +1/+1 for each black permanent your opponents control as long as there are seven or more cards in your graveyard.

Change the text of target spell or permanent by replacing all instances of one color word with another. (This effect lasts indefinitely.)
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Mill seven cards. At the beginning of the next end step, exile seven cards from your graveyard.

Flying, first strike

Target player discards two cards at random unless that player has Skullscorch deal 4 damage to them.

At the beginning of your upkeep, sacrifice this creature unless you put two cards from your graveyard on the bottom of your library.
, Discard a card: You may have this creature assign its combat damage this turn as though it weren't blocked.

Vigilance
Threshold — As long as there are seven or more cards in your graveyard, this creature has "When this creature dies, you may pay . If you do, return this card to the battlefield under your control."

At the beginning of your upkeep, put a shred counter on this creature. Then mill a card for each shred counter on this creature.

Choose target instant or sorcery spell that targets only a single permanent or player. Copy that spell for each other permanent or player the spell could target. Each copy targets a different one of those permanents and players.

As an additional cost to cast this spell, discard X cards at random.
Each player sacrifices X lands of their choice. Devastating Dreams deals X damage to each creature.

As an additional cost to cast this spell, discard X cards.
Return X target nonland permanents to their owners' hands.

Until end of turn, if target player would draw a card, instead that player skips that draw and you draw a card.