Jay, the Forge Tyrant

+1: Until end of turn, Jay, the Forge Tyrant becomes a 4/4 Dragon Artifact creature with flying and indestructible that's still a planeswalker.
+1: Create a token copy of target creature you control, except it's an artifact in addition to its other types and has base power and toughness 1/1
-8: You get an emblem with: At the beginning of your upkeep, create a Raw materials token. (Raw materials tokens are artifacts)