Baba Yaga, the Wicked

Flying, Hexproof, Menace
When Baba Yaga enters the battlefield from anywhere, you may pay {x}. If you do, shuffle X
cards from your graveyard into your library.
Other creatures you control have Menace.
When Baba Yaga deals combat damage to a
player, put a Hex counter on them.
When a creature deals damage to a player that
has a Hex counter on them, that creatures
controller draws a card.