mtg cave cards Cavernous Maw Activate only as a sorcery. The Lost Caverns of Ixalan:

I cant wait to give it storm with Storm, Force of Nature

It also comes with backup, which fits super nicely with the counter-doubling ability

Card Treatments There are quite a few card treatments to be found in Dragonstorm, so much so that it might feel a bit overwhelming

Creature - Human Artificer Marionette Master Fabricate 3 (When this creature enters, put three +1/+1 counters on it or create three 1/1 colorless Servo artifact creature tokens.) Whenever an artifact you control is put into a graveyard from the battlefield, target opponent loses life equal to this creature's power

put it from the command zone into your hand due to Command Beacon), you choose one of your commanders at the time the effect happens

Limited bomb for sure, but it leaves a lot to be desired for Constructed applications