One of them is the Japanese Showcase , a set of ten cards with the work of Japanese illustrators and artists, available exclusively in Collector Boosters
With a CGC 8 grade, this is the only graded copy of its kind, cementing its status as one of the most expensive MTG cards ever sold
However, the card changes don't seem to be enough
Thanks to Pioneer, cards like Breeding Pool are depressingly over $20 these days when you could've snagged those shocklands a year ago for around the $10 range
Regrettably, Tithe is on the Reserved List, so it is ridiculously expensive for the effect you get, but if you want an inexpensive alternative that is slightly watered down, Gift of Estates plays reasonably well, trading instant speed and doubling its mana cost for a guaranteed 3 plains cards
The Warp is likely a bit awkward in terms of how to sequence, but still provides some additional flexibility and value potential that will matter in some games