When Aaron's Confuddling Gizmo enters the battlefield, search your library for a combo piece, reveal it, explain the combo, shuffle your library, then exile that card face down with a bluster counter on it.

{B/G}{G/U}, {T}, Sacrifice Aaron's Confuddling Gizmo: Choose an exiled card with a bluster counter on it. You may cast that card this turn. Activate this ability only if you're smoking weed.