Expand description
Discover effect — exile from library until a nonland card with CMC ≤ N.
Ported 1:1 from Java’s DiscoverEffect.java.
Discover N: Exile cards from the top of your library until you exile a nonland
card with mana value N or less. Cast it without paying its mana cost or put it
into your hand. Put the rest on the bottom of your library in a random order.