Sign in Blood

Target player draws two cards and loses 2 life.

Spectral Searchlight

{T}: Choose a player. That player adds one mana of any color they choose.

Blood Pact

Bloodgift Demon

Flying
At the beginning of your upkeep, target player draws a card and loses 1 life.

Valleymaker

{T}, Sacrifice a Mountain: This creature deals 3 damage to target creature.
{T}, Sacrifice a Forest: Choose a player. That player adds {G}{G}{G}.

Varragoth, Bloodsky Sire

Deathtouch
Boast — {1}{B}: Target player searches their library for a card, then shuffles and puts that card on top. (Activate only if this creature attacked this turn and only once each turn.)