John Wick, Baba Yaga

This spell can't be countered.
When John Wick, Baba Yaga enters the battlefield, you may search your library and/or graveyard for a card named Daisy, Helen's Gift,
reveal it, and put it onto the battlefield. If you
search your library this way, shuffle.
If Daisy, Helen's Gift is put into the graveyard or exiled from the battlefield, you win the game.