Wynth, Truthfinder

+1: Draw a card. If it is a Human creature or an Artifact, with mana value less than 5, you may play it this turn without paying its mana cost.
0: Proliferate. Untap all Human creatures or Artifacts you control that gain a counter this way.
-7: Create a colorless Artifact named "Wynth's Revelation" with "All other artifacts you control are 3/3 artifact creatures with Trample."