The Commander decks are ready-to-play, allowing players to pick between 15 commanders - which determine the mana colours of the other 99 cards in the deck and can be cast onto the field from the Command Zone during matches
As a commander, this card fits well into the red dragon-ramp style
Youll have the easiest time going in on Squadron Hawk/Accumulated Knowledge/Relentless Rats/Kindle/Timberpack Wolf.dek, but those cards arent as powerful as the other options
Heliod is simple, whenever you gain life, you put a +1/+1 counter on a creature or an enchantment you control
I should know, as I have abused it myself to massive wins all up and down the years in countless formats
Interestingly, Dark Houndoom still takes advantage of Darkness Energy by allowing it to discard Darkness Energy (then a Special Energy type card that both increased attack damage and passively damaged the Pokmon it was attached to) in order to power up its Dark Fire attack