pokemon card larvitar (52/106) (Stamped) [EX: Emerald] Gx2 / None / 1 SV03 Vintage Common - Larvitar Neo

A single card is a standard trading card size the same dimensions as a card you'd find in any sports card pack

Rotating Out Far Out | Illustration by Bram Sel Standard rotation is a simple concept, but it has major impacts on Standard play in MTG, both for Arena and in paper Magic

A less powerful use for Serum Powder is with Slime Against Humanity

My following comments are speculation, but: The card designs could have been approved around the same time period as the first wave of 1996 cards, the contract could have enforced the release date of 1997 to stagger product hitting the market, the contract could have stipulated mew was to be withheld until approved, or indefinitely, or permission triggered by some other event such as a sales target