Cryptic Corruption

Reveal at the top X cards of your library, target player puts the top Y cards of their library into their graveyard where Y is the
total converted mana cost of the reveled cards.
If Y is 10 or greater that player loses life equal to the number of nomenclature spells in their graveyard.
"The weaker you mind becomes the stronger theirs will be. Once you start losing you will never stop."