Y'sellva, the Witch Returned

Flying, menace, haste
When Y'sellva, the Witch Returned enters the battlefield, if you cast fewer than thirteen Rite
spells this game, you lose the game.
If you would sacrifice a permanent, you may have target opponent sacrifice a permanent they
control of that type instead.
A deck can have only one card named Y'sellva,
the Witch Returned.