Kriv Golor, Scion of Titans

When Kriv Golor enters the battlefield, create a treasure token, a food token, and a clue token.
{2}, Sacrifice a food token: Create a Treasure
token.
{3}, Sacrifice two treasures: Create a Clue token
{4}, Sacrifice three clue tokens: Create a
Legendary Artifact token named The Skull of
Golor with "{t}: Sacrifice The Skull of Golor and
five treasures: Search your library for a card. You
may cast that card this turn without
paying it's mana cost.