Whenever a Villain you control enters, each opponent loses 1 life and you gain 1 life. Put a plan counter on this enchantment.
When the fifth plan counter is put on this enchantment, sacrifice it. When you do, target opponent exiles the top five cards of their library. You may cast up to two spells from among the exiled cards without paying their mana costs.

Reach
Soulbond
As long as Doom Weaver is paired with another creature, each of those creatures has "When this creature dies, draw cards equal to its power."

Flying, trample
Pay 2 life: Surveil 2.

Flying
When this creature enters, you may mill four cards.
When this creature dies, you may exile this card. When you do, return target creature card from your graveyard to your hand.

Sculptures you control can't attack or block.
At the beginning of your end step, create a colorless Sculpture artifact creature token with "This token's power and toughness are each equal to the number of Sculptures you control."

When this creature dies, create a 2/2 black Zombie creature token.

, , Sacrifice this creature: Return target creature card from your graveyard to the battlefield.

When this creature dies, create a 1/1 white Spirit creature token with flying.

Choose one —
• Target opponent exiles a creature they control.
• Target opponent reveals their hand. You choose a nonland card from it. Exile that card.

Trample
At the beginning of your upkeep, sacrifice a creature. You gain life equal to that creature's toughness.

When this creature enters, you gain 2 life and mill two cards.

Whenever you attack, exile target nonland card from your graveyard with two time counters on it. If it doesn't have suspend, it gains suspend.

Search your library and graveyard for five cards and exile the rest. Put the chosen cards on top of your library in any order. You lose half your life, rounded up.

Flying
When this creature enters, if it was cast, each player exiles all but the bottom six cards of their library face down.
At the beginning of your upkeep, draw a card.

Flying
When this creature enters, return a blue or black creature you control to its owner's hand.
Whenever this creature deals combat damage to a player, look at that player's hand and choose a card from it. The player discards that card.

Destroy all creatures.
Foretell

Whenever you cast your second spell each turn, you gain 2 life.
Foretell

When this creature enters, creatures you control get +1/+0 and gain haste until end of turn.
Foretell

Backup 1
Trample
Whenever this creature deals combat damage to a player or battle, look at that many cards from the top of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Constellation — Whenever this creature or another enchantment you control enters, creatures your opponents control get -1/-1 until end of turn.

As this artifact enters, choose a creature type.
Whenever you cast a spell of the chosen type, put a charge counter on this artifact.
Creatures you control of the chosen type get +1/+1 for each charge counter on this artifact.

This artifact enters tapped.
, , Sacrifice this artifact: Target player loses the game.

Defender
, : Target player mills X cards, where X is the number of creatures you control with defender.

Flash
Flying
Artifacts and creatures entering don't cause abilities to trigger.

: Until end of turn, target creature can't be blocked by creatures with power 2 or less and/or Walls.

Whenever you attack, scry 2, then you may reveal the top card of your library. If it's a creature card, put it onto the battlefield tapped and attacking. Until your next turn, it gains trample if you control a Dwarf and hexproof if you control an Elf.

Restart the turn, except with Do-Over in exile. (First, return all cards to where they were as the turn began. For information from hidden zones like the hand, reconstruct as best you can, and do the rest at random.)

Medium monstrosity (shapechanger), Challenge 3
Armor class 14, Hit Points 52
Speed 30 ft.
Attacks Shapechanger, Slam, Read Thoughts
STR 11 (+0) DEX 18 (+4) CON 14 (+2)
INT 11 (+0) WIS 12 (+1) CHA 14 (+2)