magic the gathering commander masters collector booster box MTG Single items are opened card(s) Commander Masters - Collector Booster

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Thermo-Alchemist For many years, Thermo-Alchemist was a centerpiece of burn Pauper decks where chaining instants and sorceries was a reliable way to win games once you get to untap with this creature

However, the archetype offers multiple alternative ways to satisfy that cost, such as Ursarctic Big Dipper (Banishing Level 7+ from GY instead of Tributing from hand), Ursarctic Depature or Ursarctic Drytron (either can be banished instead)

On the plus side, you don't have to pay any life to use this card if you're OK with it entering tapped, a nice plus over Prismatic Vista