While a specific "Set 030" .rar file may be a fan-made collection, you can find high-quality image archives for official sets (which include cards like ) through these community resources:
For better print quality, download individual card images from PkmnCards and paste them into a document. Download Poli TCG Set 030 rar
A standard A4 sheet can fit 9 cards . Ensure you scale the images to roughly 2.5 x 3.5 inches (63 x 88 mm) before printing to fit standard card sleeves. Common "Set 030" References: Poliwag 030/196: From the Sword & Shield—Lost Origin set. Poliwag 30/149: From the Sun & Moon base set. Project: card-print-css - Juha-Matti Santala While a specific "Set 030"