While this is already a handy use of two mana, whenever a dragon enters the battlefield under its owner's control, that player can deal X damage to any target where X is the number of dragons they control
Its gameplay is also exactly the same as its paper equivalent, albeit with snazzy sound and visual effects to spice things up
In the larger world of commander, this also means easier activations on land like Cabal Stronghold, Kessig Wolf Run, Rogues Passage, Gavony Township and the Kamigawa Neon Dynasty channel lands like Boseiju, Who Endures on top of their reductions already, just to name a few
Dragapult ex does not often knock out the opponent's Pokmon in one hit, but it has many ways of setting up 4 prize turns on the following turn, as Dusclops and Dusknoir allow the deck to put up massive damage numbers