One of the key ways in strengthening one's creatures in Pokmon TCG is evolution, which occurs mid-battle, unlike in the video games
Just dropping a fetch land after playing this card is nasty
On the other hand, while foil drop rates in normal Standard sets have increased recently, in the past, you'd open a foil mythic about one in every three boxes (and this might be being slightly generous), which means to open an original foil Theros printing of Heliod, God of the Sun, you'd have to open roughly 45 boxes of Theros, which means getting 50,000 copies would take 2,250,000 Theros booster boxes, which at $100 would add up to $225 million
Have you tried TAG before
The speed of the game makes it hard to find the time for a card that doesn't directly impact the game, but the real problem was that a lot of cards started using their graveyards for fun and profit, much more so than in the past