After extensive research by CGC, including conducting an infrared test, UV test, and X-ray fluorescence (XRF) spectrometer test, all of the chemical elements, most notably calcium, titanium, iron, copper and zinc, all correspond with a normal 1999 Base Set card
This is the Japanese version of the card
It does nothing for actually developing your board after you reach your ramps CMC, it does nothing while ahead, at parity, or behind
You might argue that Probe also limits your information in mulligan decisions however I would counter argue that the subsequent information you gain is worth way way more
He also used masking tape and a marker to transform Swiftfoot Boots into Lightning Greaves