Given you typically have several of each of the parts it is quite likely you will find a five card section of your deck containing the two you need
8 Batty While they technically aren't part of the OCG or TCG, the promotional cards for the Japan-exclusive Yu-Gi-Oh
Not only does it stock your graveyard for graveyard shenanigans, it will likely draw you a creature or land from among those milled when it enters the battlefield or attacks
Doubling as both a threat and a removal spell, this vampire is about as good as two drops get
If your goal is polymorphing your own creatures, I urge you to try this red human soldier
Plus room for every Charizard variant you've chased: holos, V's, ex's, alt arts, full arts, the lot