The Haunt of Hightower {4}{B}{B}
Legendary Creature — Vampire
BlackCommander: legal
Identity
Black
EDHREC rank
#7,221
Cheapest printing
US$1.72
TCGplayer
Printings
2
Flying, lifelink
Whenever The Haunt of Hightower attacks, defending player discards a card.
Whenever a card is put into an opponent's graveyard from anywhere, put a +1/+1 counter on The Haunt of Hightower.
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.