The Kraken of the Depths

When Kraken of the Depths enters the battlefield, search your library for a creature card. Kraken of the Depths gets +1/+1 counters equal
to that card's converted mana cost. Place that card
on topof your library.
{u}{u}{6}{x}{t}Sacrifice Kraken of the Depths. You
gain an extra turn after this one. Search your
library for {x} cards and place them in your hands.