Looking beyond cards that directly reference +1/+1 counters, these decks can and should make ample use of cards that care about modified creatures
It gives you a little bit of everything you want in this format and (somehow) is often the best at it
To get the mayhem started, you're going to need a way to discard cards
Cheap legendary creatures, like Skrelv, Defector Mite and Lotho, Corrupt Shirriff are also great for this
Taking a look at the different elements on a location card, in the top left - or right depending on how youre looking at it - youll find the cards ink cost, which youll need to pay in order to play it
This is very strong in mono-red dragon aggro Commander decks, which primarily falter to board wipes as their only weakness