When GameStop started doing it, it was without providing the staff with the necessary training and expertise, and naturally saw them paying woefully low prices, and of course without any of the individual stores having any independence over how it was carried out
Still, its worth checking
That said, I like Temur Ascendancy more, as it grants haste, and trample is mostly flavor text for fliers
Top deck manipulation isn't necessarily required, but it allows you to draw the card, so if you have a good card you need in the graveyard, this gives it to you
The 1/1 ring card is likely to be one of the most valuable TCG cards ever produced