While Army is the marker for the Amass mechanic to work, Mark Rosewater expressed that Amass could create an Army of another creature type, using errata on the Amass cards in War of the Spark
It's good, though, because it gives us players just another way to make board states awkward, protect key pieces on the cheap, and punish opponents who assume their removal spells will always land just because you're not playing Blue
Together, they can give the table time to prepare anything from a piece of removal to a counterspell to address the threat youve shown, minimizing its impact or rendering it completely useless
Among them, add 1 card with the [DM] trait to the hand and place 1 card with the [Ver.4] trait face down as the bottom digivolution card of any of your Digimon with the [DM] trait
Lord of the Ring decks often have lots of flashy high-cost spells