: 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.

: 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.

Exile X target cards from a single graveyard.

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

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

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

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

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

Flying

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

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

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

Mill two cards.
Draw a card.

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.)

Counter target sorcery spell.

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

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

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

When this creature enters, put a +1/+1 counter on target creature.

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

When this creature enters, exile a land you control.
When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.

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.

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

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

Enchant creature
Enchanted creature gets +X/+X, where X is the number of creature cards in all graveyards.

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.)

Tap up to two target creatures.

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

Target creature gets +1/+0 and gains first strike until end of turn.
Draw a card.

Whenever a Bird is put into your graveyard from the battlefield, put a feather counter on this enchantment.
Bird creatures get +1/+1 for each feather counter on this enchantment.

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.

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.

Create X 1/1 red Elemental Cat creature tokens with haste. Exile them at the beginning of the next end step.
Flashback—, Sacrifice X Mountains. (You may cast this card from your graveyard for its flashback cost. Then exile it.)