Summon The Kraken

At the end of your end step if you have any mana in your mana pool remove a mystery counter on Summon The Kraken for each color of mana.

At the end of each opponent’s end step if they have any mana in their mana pool place a reveal counter on Summon The Kraken for each color of mana.

Countdown 20
Buried 20

{10}: Immediately put 20 reveal counters on Summon The Kraken. Create a 7/7 kraken creature token of every color.