: Add .
As long as this card is in your graveyard, lands you control have ": Add or ."

This land enters tapped.
: Add .
, , Sacrifice this land: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.

: Add .
Threshold — : This land becomes a 4/4 green and white Insect Monk creature with first strike until end of turn. It's still a land. Activate only if there are seven or more cards in your graveyard.

: Return two target cards from an opponent's graveyard to their hand. Destroy target attacking creature.

Sacrifice this creature: This creature deals 1 damage to target creature unless that creature's controller has this creature deal 2 damage to them.

Choose a nonland card name. Target player reveals their hand and discards all cards with that name.
Flashback—Sacrifice a creature. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Prevent all combat damage X target creatures would deal this turn.

Mill two cards.
Draw a card.

Sacrifice this creature: Target creature you control gains protection from the color of your choice until end of turn.

Sacrifice this creature: Draw a card, then discard a card.

Target creature gains flying until end of turn.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Exile target card from a graveyard. Its owner creates a 1/1 white Spirit creature token with flying.

Sacrifice this creature: You may put a land card from your hand onto the battlefield.

Flying

Lava Dart deals 1 damage to any target.
Flashback—Sacrifice a Mountain. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Exile X target cards from a single graveyard.

Target creature loses flying until end of turn.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Sacrifice this creature: Target creature gets -2/-0 until end of turn.

, Sacrifice this creature: Target green creature gets +1/+0 and gains first strike until end of turn.

Counter target sorcery spell.

Sacrifice a land: Target creature you control gains shroud until end of turn. (It can't be the target of spells or abilities.)

When this creature enters, you may put target card from a graveyard on the bottom of its owner's library.

: Return target card from an opponent's graveyard to their hand. Put a +1/+1 counter on target creature.

You may reveal a sorcery card you own from outside the game and put it into your hand. Exile Burning Wish.

Tap up to two target creatures.

You may reveal a creature or land card you own from outside the game and put it into your hand. Exile Living Wish.

Counter target spell unless its controller exiles all cards from their graveyard.
Draw a card.

Cast this spell only during your turn.
Take an extra turn after this one if an opponent cast a blue spell this turn.

Threshold — As long as there are seven or more cards in your graveyard, this enchantment has "Whenever an opponent casts a spell, you may put a creature card from your hand onto the battlefield."

Target player shuffles up to two target cards from their graveyard into their library.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

This creature enters with two +1/+1 counters on it.
If damage would be dealt to this creature, prevent that damage. Remove a +1/+1 counter from this creature.

Destroy target enchantment.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant creature
Enchanted creature gets +2/-1.
When enchanted creature dies, choose a creature at random this Aura can enchant. Return this card to the battlefield attached to that creature.

Target nonblack creature gets -1/-1 until end of turn.
Threshold — If there are seven or more cards in your graveyard, instead destroy that creature. It can't be regenerated.

: Add one mana of any color that a land you control could produce.

Each player may exile any number of cards from their graveyard. Then each player loses 1 life for each card in their graveyard.
Draw a card.