At the beginning of your upkeep, reveal the top card of your library. If it's a creature card that shares a creature type with a creature you control, you may cast it without paying its mana cost. If you don't cast it, put it on the bottom of your library.
![Descendants' Path [Avacyn Restored] | Good Games Adelaide SA](http://ggadelaide.com.au/cdn/shop/files/bf99d0cb-3c03-5d21-9259-eb210ac9ca2a_0904c454-fcc2-4769-b33b-8062b104950b.jpg?v=1722968363)
