Morinfen {3}{B}{B}
Legendary Creature — Phyrexian Horror
BlackCommander: legal
Identity
Black
EDHREC rank
#27,841
Cheapest printing
US$0.71
TCGplayer
Printings
1
Flying
Cumulative upkeep—Pay 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Keywords: cumulative upkeep, flying
Every printing
highest TCGplayer market first; a card with only a thin single listing shows its low
In short
A Commander deck is a commander and 99 other cards, one copy of each (except basic lands), all inside the commander's colour identity. Paste a full list into the deck price calculator to price it and check it against the format.