Vampiric Bloodline

Vampiric Bloodline is a 100-card Commander precon from Crimson Vow Commander, released November 19, 2021. It is led by Strefan, Maurer Progenitor, a Rakdos commander.

Strefan, Maurer Progenitor

Flying
At the beginning of your end step, create a Blood token for each player who lost life this turn.
Whenever Strefan attacks, you may sacrifice two Blood tokens. If you do, you may put a Vampire card from your hand onto the battlefield tapped and attacking. It gains indestructible until end of turn.

The list runs 37 lands and 35 creatures, and its nonland cards average 3.68 mana. At today's TCGplayer prices the whole deck's cards come to about $75.35, and the most valuable is Nirkana Revenant at $7.04.