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

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

: Add .
Threshold — : Nantuko Monastery 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.

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.)

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

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

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

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.

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.)

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

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

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

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.)

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.

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.)

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

Creatures you control get +0/+2 until end of turn.
Threshold — If seven or more cards are in your graveyard, choose a color. Creatures you control also gain protection from the chosen color until end of turn.

Any player may have Browbeat deal 5 damage to them. If no one does, target player draws three cards.

Reach (This creature can block creatures with flying.)
: Anurid Swarmsnapper can block an additional creature this turn.

At the beginning of combat on each opponent's turn, that player may exile a card from their graveyard. If the player doesn't, creatures they control can't attack you this turn.

Discard a card: Cephalid Inkshrouder gains shroud until end of turn and can't be blocked this turn. (A creature with shroud can't be the target of spells or abilities.)

At the beginning of your upkeep, flip a coin. If you lose the flip, sacrifice Planar Chaos.
Whenever a player casts a spell, that player flips a coin. If they lose the flip, counter that spell.

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

Enchant creature
When Unquestioned Authority enters, draw a card.
Enchanted creature has protection from creatures.

Enchant creature
Enchanted creature gets +3/+3.
When enchanted creature dies, create a 3/3 green Elephant creature token.

Whenever a player discards a card, you may pay . If you do, create a 1/1 white Spirit creature token with flying.

Swelter deals 2 damage to each of two target creatures.

First strike
As long as Valor is in your graveyard and you control a Plains, creatures you control have first strike.

Wormfang Crab can't be blocked.
When Wormfang Crab enters, an opponent chooses a permanent you control other than Wormfang Crab and exiles it.
When Wormfang Crab leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Flying
As long as Wonder is in your graveyard and you control an Island, creatures you control have flying.

Protection from black
Phantom Centaur enters with three +1/+1 counters on it.
If damage would be dealt to Phantom Centaur, prevent that damage. Remove a +1/+1 counter from Phantom Centaur.

Destroy target attacking creature. You gain life equal to its power.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
As long as Filth is in your graveyard and you control a Swamp, creatures you control have swampwalk.

Haste
As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste.

Trample
As long as Brawn is in your graveyard and you control a Forest, creatures you control have trample.