Impulse draw is Magic slang for exile your top card and you may play it this turn. It fits red because the color is so impulsive, it must have its resources ASAP, and having cheap cards in your deck raises the chances of casting them
The two best cards from Homelands are spells anyhow (Merchant Scroll and Memory Lapse), further adding insult to injury
It can turn Equipment into burn damage to opponents and creatures, as well as cheat around equip costs
When it enters, every artifact and creature your opponent controls won't untap during their next untap step
While some might assume that Breena is a Group Hug commander due to providing card draw to the entire table, she is far from it: yes, your opponents can draw cards off her too, but in exchange you get +1/+1 counters and they had to attack your opponents in the process -- so you will be the one benefitting the most at all times