Hidden Prophecies
Legendary creatures you own cost {1} less to cast.
Whenever you cast a legendary creature, it has cascade
(When you cast this spell, exile cards from the top of your library
until you exile a nonland card whose mana value is less than this
spell's mana value. You may cast that card without paying its mana
cost if the resulting spell's mana value is less than this spell's
mana value. Then put all cards exiled this way that weren't cast on
the bottom of your library in a random order.)
Card Comments