In this game, all Mega-level Digimon are classed as Ultimates, either as an artifact of the previous card battle game being made before Megas existed, or because they thought a fourth level of card would be cumbersome
Pinnacle Monk // Mystic Peak does a great impression of Archaeomancer, and for an additional mana, it comes with an extra point of power and prowess
Abrupt Decay is just a great supporting removal card, almost more like a Charm than any thing else
It gets bonus points for making mana dorks awkward
Then draw a card for each tapped creature its controller controls
Mega Dream ex, released November 2025, features cards from across the MEGA era plus exclusive SARs you cannot find in standard expansions