The tool fetches the decklist via the site's API, enriches each card with Scryfall data, and computes 12 factors: premium fast mana, common fast mana, tutors, interaction, combo pressure, extra turns, mana efficiency, ramp, draw, curve health, land base, commander synergy, and game changers

$11.99 Llanowar Elves (Open House Foil) Promotional $84.99 Exploration Double Masters Box Toppers $4.99 Cultivate (Borderless) Core Set 2021 Variants $49.99 Delighted Halfling (0774 - Extended Art - Surge Foil) The Lord of the Rings: Tales of Middle-earth Variants $37.99 Sol Ring (Borderless) Commander Masters Variants $3.99 Elvish Mystic (Borderless) Commander Masters Variants $13.99 Rhythm of the Wild (1740 - Foil) Secret Lair $27.99 Springheart Nantuko (0341 - Borderless) Modern Horizons 3 Variants $32.99 Beast Within (323 - Foil) Secret Lair $2.99 Garruk's Uprising (0053) Wilds of Eldraine Enchanting Tales $24.99 Invasion of Ikoria March of the Machine $6.99 Karplusan Forest (Borderless) Dominaria United Variants 0 results found
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Its the latter ability thats the scary part here
Razorfield Ripper rewards you for collecting ever more energy counters, increasing in power and toughness based on how many are in your reserve when it attacks
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