War of the Spark

(You may cast a legendary sorcery only if you control
a legendary creature or planeswalker)
Search your library for a planeswalker card and
put it onto the battlefield, then shuffle your
library.
Epic (For the rest of the game, you can't cast spells.
At the beginning of each of your upkeeps, copy this spell except for its epic ability. You may choose new targets
for the copy.)