It's my thinking that TCG Pocket could learn a thing or two from the real-life Pokmon TCG, which averages around six releases a year, not all of which are brand-new sets, with some including reprints
When the last is removed, you may cast it without paying its mana cost.) Sorcery Inspiring Refrain Draw two cards
If you mix it with creatures that have haste, these threats can become immediate
Players however aren't limited to when the event ends, so there isn't as much as a time limit compared to the event's timed research tasks
Archmage Emeritus + Archmage of Runes While green loves drawing cards when creatures enter the battlefield, blue leans into spellslinging for its card advantage
Understand grading scales, what to look for when assessing condition, and when professional grading is worth it