Maro Avatar is a Vanguard card in Magic: the Gathering MTG
Unlike the previous midrange options that focus on Burn or Artifacts, Inti's main themes are a mix of Discard and Cast From Exile: Inti turns all your discard into impulse draw which Red can easily transform into true card advantage, which I'll explain below
There are quite a few ways to go, and most of them involve counters and probably proliferate
While Mox Amber does require you to have a legendary creature or planeswalker in play to add mana, given the nature of Commander and the huge number of legendary creatures and planeswalkers Magic has been printing lately, it is very easy to activate
Which is apparently a "discount," by the way
This percentage is a bit worse than it sounds, as it ignores the problem of drawing multiple copies of a specific legendary creature, but still the numbers needed to make assembling a 6/6 seem quite achievable with the right supporting cast