multiply yugioh card Multiplying Kuriboh! by nepheskhaim on DeviantArt Multiply (TSC) - Yugipedia

When they deal combat damage to an opponent, that player loses one life and mills a card, and then you gain one life and scry 1

You know the ones: Gloomlake Verge, Blazemire Verge, Floodfarm Verge, Hushwood Verge, and Thornspire Verge

Ungraded & graded values for all Yu-Gi-Oh RA01 YuGiOh Cards

This combination is proving almost impossible to beat, with twin Gardevoirs piling two free psychic energies per turn into Mewtwo EX, whose Psydrive attack for 150 HP (which ordinarily discards two energies per use, so takes some time to build back up) can then be used every single turn

Outside of dedicated Saga decks, I just don't think this does enough

What is to stop you creating two identical set of labels, and then off camera weighing the packs and either just keeping the heavy ones and sending out the light ones, or replacing the heavy ones with light ones with the same artwork from another box