I myself created a version that took the Untap Open League SNC PIO league by storm, pulling out a surprising Top 8 appearance and only falling short of glory to a topdeck, as sometimes happens to discard based decks
However, few can be dubbed the "worst Charizard card", besides personal opinions, but the owner of this Charizard Gold Star has a good case to be objective about it
The idea of an Aura that can go onto the battlefield without you already having a creature in play is a good one worth revisiting, perhaps with a different execution
At the time Timetwister was released, you could play the Mox artifacts, zero mana artifacts that provide mana
They both fit in the same kind of decks but do things just differently enough that you might see both played in the same lists
Heres everything you need to know about MTG Arenas Golden Packs