Some collectors shop on TCGPlayer as well but a lot of the market price on most cards is determined by the need for that card for the players
This means it's a little more complex for beginner players, who will need to do some strategizing if they want to win
Because of the amount of cards Professor's Research draws up, players not only use it frequently but usually carry more than one per deck - almost no other supporter is as effective at giving players access to their cards
Archmage Emeritus triggers a draw for every instant or sorcery you cast or copy, which is essential for sustaining the high-mana requirements of the Opus mechanic
Goblin Trashmaster can slam the lid on mana rocks to stop an opponents late game plans, or it can pop pesky game breakers like Ashnod's Altar, Skullclamp, and Lightning Greaves whenever you need to
It also has the honor of being one of the most truly terrifying designs in this entire horror-inspired set, looking like it stepped right out of a folk horror film like Hereditary