Jaybird the Creator

When Jaybird the Creator enters the battlefield, exile the top X cards of your library. You may cast nonland cards with mana value X or less from the exiled cards without paying their mana costs.
{x}{t}Shuffle target opponent permanent with mana value X and target permanent you control. Shuffle
both cards into their owner's library. Each player flips the top card of their library and
may cast it without paying its mana cost. If it's land, it is put into play under its owner's control.
Her abili