According to Wizards, you have a 1 in 3 chance of opening a nonfoil FCA in Play Boosters, with a 63.25% for that card to be uncommon, 29.75% to be rare, and 7% to be foil
A set's female Supporter usually takes the #2 or #3 spot depending on how popular the character is from the video games
The most profitable iteration of this card was graded a 9 for the signature, and auctioned at $247,230
That makes it a one-card army engine thats difficult to deal with and floods the board with a lot of horsepower
Considering non-foil copies of Geths Grimoire are still readily available for $2, this $20 price tag seems more like a case of low supply than one of high demand
(Damage and effects that say destroy dont destroy it.) I dont know that Ill win every fight