: 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 seven or more cards are in your graveyard.

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

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

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

: 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.

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.)

Mill two cards.
Draw a card.

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 creature you control gains protection from the color of your choice until end of turn.

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.

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

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

Search target player's library for up to three cards with flashback and put them into that player's graveyard. Then the player shuffles.

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

Return target creature card from your graveyard to your hand.
Threshold — Return that card from your graveyard to the battlefield instead if seven or more cards are in your graveyard.

Any player may have Book Burning deal 6 damage to them. If no one does, target player mills six cards.

Discard a card: Prevent all damage that would be dealt to this creature this turn.

Enchant creature
Enchanted creature gets +2/+2 and can't attack.

Counter target spell cast from a graveyard.
Draw a card.

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.

Damage can't be prevented this turn.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated. Its controller may exile three cards from their graveyard for that player to ignore this effect until end of turn.

Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.
Flashback—, Exile X blue cards from your graveyard. (You may cast this card from your graveyard for its flashback cost, then exile it. You can't exile Flash of Insight to pay for its own flashback cost.)

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.