Keranos, Voice of Thunder

When Keranos, Voice of Thunder enters the battlefield scry X, where X is the number of
Keranos related cards on the battlefield.
Every time your opponent(s) destroy any of your creatures put a thunder counter on Keranos.
When Keranos has 20 Thunder counters yell
'Hail Keranos' When you do you win the game.
You can only have on Keranos, Voice of
Thunder in your deck.