Card research
Decide whether Potion #91 is worth grading.
EV
Expected value before grading.
ROI
Profit after all costs.
Risk
Grade downside made visible.
Card details
This page uses card and set data, then connects it to the Kardive grading ROI workflow. Use it as a research entry point before opening the live calculator, saving a scenario or tracking the card in the app.
Set
Ruby & Sapphire
Rarity
Common
Series
EX
Category
Trainer
Card number
#91
Set release
2003-07-01
Illustrator
Keiji Kinebuchi
Type / stage
Unavailable
Potion #91 is Common, Trainer, illustrated by Keiji Kinebuchi from Ruby & Sapphire in the EX series, released 2003-07-01. The page starts with card details, then points the user toward live raw value, graded value and ROI checks inside Kardive.
This page uses the actual card record for Potion #91: local number 91, rarity Common and illustrator Keiji Kinebuchi. That identity layer keeps the page from treating every card in Ruby & Sapphire as interchangeable.
The page starts with Potion #91 identity. Inside the live Kardive app, the user also gets market context such as raw value, PSA/CGC/BGS grade buckets, sale counts where available and card history.
Before grading Potion #91, a user should compare the raw sale option with realistic graded outcomes, fees and probability assumptions instead of judging only from the highest public sale.
A card can look attractive in the top grade while still being risky if lower buckets lose money. Kardive separates the verdict from the risk label so the downside remains visible.
From this card page, the natural next step is to calculate Potion #91, save the scenario, watch the card, create an alert or add it to a portfolio if the user already owns a copy.
How the pieces connect
Kardive turns market data and user assumptions into a grading decision users can revisit and improve.
Ready to test your next grading decision?