Because of the amount of cards Professor's Research draws up, players not only use it frequently but usually carry more than one per deck - almost no other supporter is as effective at giving players access to their cards
During your Main Phase: You can excavate the top cards of your Deck equal to the number of other "Valkyrie" monsters you control, and if you do, add 1 excavated Normal Spell/Trap to your hand, also send the remaining cards to the GY
For a fee of $33/card theyll conduct pre-grading checks to help determine if your card is worth sending for grading or not, before packing them up securely to send over for grading
(3) Each turn, the first time a monster(s) you control would be destroyed by battle while it is equipped with an Equip Card, it is not destroyed
Jumpstart is a subset that I understand the purpose of, as a way to get new players to play
Display contains 36 Draft Boosters, and a Traditional Foil Box Topper card