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
Hey, that rhymed pretty well
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
Let's say your opponent has a Hyena Pack you want to kill, and you have an Electrify in your hand
Originally you had to walk a certain distance and pay to enter, but these requirements have been lifted until 13 April so everyone can battle straight away
It does nothing for actually developing your board after you reach your ramps CMC, it does nothing while ahead, at parity, or behind