yugioh dark duel stories unlimited deck capacity Yu-Gi-Oh! Early Days] Are there any

A PSA 9 card can be worth 3x to 10x more than the same card ungraded

Gemstone Caverns How strong could having a land before your first turn even begins possibly be

Gavi lets you pay zero instead of the cost of the first card you cycle on a turn, and then whenever you draw your second card for the turn, you create a 2/2 Dinosaur Cat creature token

Key Artifact Ramp and Lands Given how important mana rocks are here as double accelerants, I have more

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Mill decks will definitely be including this Jace Variant, as its ultimate ability is too tempting and hilariously mean to resist, and counter manipulation via Proliferate makes it that much easier to activate