Gadelva, King of Hollow

: When Gadelva, King of Hollow enters the battlefield, search your library for a creature card with converted mana cost 4 or less, put it in play.
+1: Target creature you control deals damage to target creature or planeswalker equal to its mana cost.
-7: Search your library for a creature with converted mana cost 10 or more, put it on the battlefield, shuffle your library.