Partner with Madame Vastra
First strike
Training (Whenever this creature attacks with another creature with greater power, put a +1/+1 counter on this creature.)
Whenever you sacrifice a Clue or Food, put a +1/+1 counter on another target creature you control.

Exile target creature. Its controller gains life equal to its power.

(: Add .)

Ceremorphosis — When this creature enters, turn any number of target tapped nontoken creatures face down. They're 2/2 Horror creatures.

This land enters tapped unless you control an Island.
: Add .
, : Scry 2.

, Pay 1 life, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. You may behold an Elf. If you do, untap that land. (To behold an Elf, choose an Elf you control or reveal an Elf card from your hand.)

Draw a card for each Human you control.

Destroy all creatures target opponent controls. Draw a card for each creature destroyed this way.

Counter target spell.
Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

, Sacrifice an artifact: Draw a card.

Spit Flame deals 4 damage to target creature.
Whenever a Dragon you control enters, you may pay . If you do, return this card from your graveyard to your hand.

Lifelink
Whenever one or more creatures you control deal combat damage to a player, you draw a card and lose 1 life.
Void — At the beginning of your end step, if a nonland permanent left the battlefield this turn or a spell was warped this turn, create a 2/2 colorless Robot artifact creature token.

: Add one mana of any color.
Craft with two that share a card type (, Exile this artifact, Exile the two from among other permanents you control and/or cards from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

, : Add .

At the beginning of your end step, if you control two or more other creatures, draw a card.
: Create a 1/1 colorless Soldier artifact creature token.
Unearth

Sacrifice three white creatures: Exile target creature.
Whenever another black creature you control dies, create a 1/1 white Spirit creature token with flying.

Flying, trample
Join forces — Whenever this creature attacks or blocks, each player starting with you may pay any amount of mana. This creature gets +X/+0 until end of turn, where X is the total amount of mana paid this way.

Remove this card from your deck before playing if you're not playing for ante.
, Sacrifice this artifact: Target opponent may ante the top card of their library. If they don't, you flip a coin. If you win the flip, that player loses the game. If you lose the flip, you lose the game. Activate only during your upkeep.

Target creature gets -X/-X until end of turn, where X is the number of Zombies on the battlefield.

Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)