Power-up is the marquee new keyword mechanic in MTG Marvel Super Heroes, releasing June 26, 2026. It's a once-per-game activated ability whose cost is reduced by the creature's mana value if used the same turn the creature entered. The result is a kicker-style ability that rewards you for casting threats and then triggering their ultimate power immediately. We break down exactly how Power-up works, why it's stronger than Exhaust, and which decks it changes.

MTG Marvel Super Heroes drops June 26, 2026, and the four Commander precons (Avengers Assemble, Wakanda Forever, The Fantastic Four, Doom Prevails) are already commanding wild Collector's Edition premiums on the secondary market. One month out from release, here's a full breakdown of each deck, what mechanics they actually run, who the best face commanders are, and which deck is the smart preorder for both players and collectors before the June 19 prerelease window opens.