Kyrn the Wanderer

+1: Search the top 5 cards of your deck for any Myr cards, reveal 1 and put it into your hand. Put the rest in the bottom your library in any order
-2: Search your deck for any artifact and put it into your hand.
-5: You get an emblem with "Whenever a creature enters the battlefield, put a 5/5 Myr Juggernaut on the battlefield tapped.