Green has loads of in-color synergies that work, and you don't even need to do this as a sorcery, so you can wait until the end of someone's turn, tap out and discard a card and dig up something nice and toss it onto the battlefield
The market is less mature here than WotC or EX, which means individual chase cards can have wider bid-ask spreads
Even in BO3 formats, youre not required to submit a deck with a full sideboard
Trample To determine Ghalta's total cost, start with the mana cost (or an alternative cost if another card's effect allows you to pay one instead), add any cost increases, then apply any cost reductions
Printing technology improved, companies like Fleer and Donruss entered the market, and trading cards were everywhere