Azure, the Swift Blademen

Double strike
Whenever Azure, the Swift Blademen attacks or blocks, reveal a card at random. Azure gains
+X/+X until the end. Where X is the revealed
card convert mana cost.
{2}{w}{u}{r}, Discard a card: Shuffle your hand into
your library and draw that many cards.
Protecting the weak and destroying the strong is
my way of life.