Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Threshold — As long as there are seven or more cards in your graveyard, this creature gets +2/+2 and can't block.

Threshold — As long as there are seven or more cards in your graveyard, this creature gets +2/+2 and has "When this creature dies, you lose 4 life."

Flying

Hellbent — This creature gets +2/+1 as long as you have no cards in hand.

Hellbent — As long as you have no cards in hand, this creature gets +1/+0 and has ": Regenerate this creature." (The next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Flying

Threshold — As long as there are seven or more cards in your graveyard, this creature gets +2/+2 and can't block.

Threshold — As long as there are seven or more cards in your graveyard, this creature gets +3/+0.

: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Delirium — This creature gets +1/+1 and has menace as long as there are four or more card types among cards in your graveyard. (A creature with menace can't be blocked except by two or more creatures.)

As long as there are four or more creature cards in your graveyard, this creature has menace and deathtouch.

, Discard a card: Regenerate this creature.

Threshold — As long as there are seven or more cards in your graveyard, this creature gets +2/+2 and can't block.

Hellbent — This creature has shadow as long as you have no cards in hand. (It can block or be blocked by only creatures with shadow.)

Menace (This creature can't be blocked except by two or more creatures.)

This creature gets +3/+0 as long as an opponent has eight or more cards in their graveyard.

As long as an opponent has eight or more cards in their graveyard, this creature gets +1/+0 and has menace. (It can't be blocked except by two or more creatures.)

Descend 4 — As long as there are four or more permanent cards in your graveyard, this creature gets +1/+1 and has lifelink.

Flying

When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.)

Threshold — This creature gets +2/+1 as long as there are seven or more cards in your graveyard.

As long as you've drawn two or more cards this turn, this creature has lifelink and menace. (It can't be blocked except by two or more creatures.)

When this creature enters, discard your hand, then investigate four times. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")

As long as you have one or fewer cards in hand, this creature gets +2/+2 and has menace.

This creature gets -1/-1 for each card in your hand.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

This creature gets +2/+2 as long as you have the city's blessing.