Primordial Ooze attacks each combat if able. At the beginning of your upkeep, put a +1/+1 counter on Primordial Ooze. Then you may pay {X}, where X is the number of +1/+1 counters on it. If you don't, tap Primordial Ooze and it deals X damage to you.
The thick, moving mass from the beginning of evolution swallows and digests the animate and inanimate as it unthinkingly strives to continue its existence.
Near Mint - $900
Lightly Played - $700
Moderately Played - $700
Heavily Played - $600
Damaged - $500
Near Mint Spanish - $900
Lightly Played Spanish - $700
Moderately Played Spanish - $700
Heavily Played Spanish - $600
Damaged Spanish - $500