At the beginning of each player's upkeep, that player may sacrifice a creature. If that player doesn't, they lose 5 life and you sacrifice Pillar Tombs of Aku.
"Aku, City of Hidden Graves / Aku, City of Lost Kings / Aku, welcome me."
—Pillar tomb inscription
Near Mint - $1.300
Lightly Played - $1.000
Moderately Played - $900
Heavily Played - $800
Damaged - $700
Near Mint Spanish - $1.300
Lightly Played Spanish - $1.000
Moderately Played Spanish - $900
Heavily Played Spanish - $800
Damaged Spanish - $700