Karax, Khalai Engineer

+1: Look at the top card of your library. If it's an Artifact, you can cast it from the top of your library.
-2: Put an Artifact with Mana Value 5 or Less from your hand onto the battlefield.
-8: Create an Emblem that reads "Artifacts you cast cost {2} less to cast and have flash." Then, search your library for an Artifact, then shuffle