Aidan, Azorius Artificer

+2: Target permanent becomes an artifact in additions to its other types, Gain 2 life, Draw 1.
-4: Search your library for an artifact, put that card in your hand you play that card without paying for its mana costs, Shuffle your library.
-8: All permanents you control gain protection from everything until your next turn, Gain 5 life, Draw 3.