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

Target player sacrifices a creature of their choice.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Reach (This creature can block creatures with flying.)
Threshold — This creature gets +2/+2 as long as there are seven or more cards in your graveyard.

Green creatures and white creatures can't block this turn.
Flashback—, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target creature gains haste until end of turn.
Draw a card.

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

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.

, Discard a card: Draw a card.
, Sacrifice this enchantment: Draw a card.

Enchant creature
Enchanted creature gets +1/+1 and has flying.
Discard a card: Return enchanted creature to its owner's hand.

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

Enchant creature
Enchanted creature gets +1/+2 and has protection from black.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Enchant creature
Enchanted creature gets +2/+1 and has protection from white.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Exile all graveyards.

As an additional cost to cast this spell, discard X cards.
Sickening Dreams deals X damage to each creature and each player.

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

As an additional cost to cast this spell, discard X cards.
Return X target cards from your graveyard to your hand. Exile Nostalgic Dreams.

: Untap target land.
Threshold — : Untap up to three target lands. Activate only if there are seven or more cards in your graveyard.

Destroy target land.
Threshold — If there are seven or more cards in your graveyard, instead destroy that land and Rancid Earth deals 1 damage to each creature and each player.

Other Barbarian creatures get +1/+1.
: Another target Barbarian 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.

Target player discards a card.
Draw a card.

When this creature enters, any opponent may have it deal 5 damage to them. If a player does, sacrifice this creature.

Enchant creature
Enchanted creature has ": This creature gets +1/+1 until end of turn."
When enchanted creature dies, return that card to the battlefield under your control.

Fiery Temper deals 3 damage to any target.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Destroy target enchantment.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

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.

Defender (This creature can't attack.)
Whenever you discard a card, you may sacrifice this creature. If you do, return the discarded card from your graveyard to your hand.

, : Target creature gets -1/-1 until end of turn.
Threshold — , : Target creature gets -2/-2 until end of turn. Activate only if there are seven or more cards in your graveyard.

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."

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
Threshold — If there are seven or more cards in your graveyard, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle.

, Exile three cards from your graveyard: Target player loses 3 life.

, Discard a card: Exile target card from a graveyard.
, Sacrifice this enchantment: Exile target card from a graveyard.

, Sacrifice this creature: Counter target spell that targets a creature you control.

Vigilance
: Prevent the next 1 damage that would be dealt to any target this turn.

Counter target spell unless its controller pays for each card in your graveyard.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
When this creature enters, exile target green or white creature an opponent controls.
When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.