They want to attack, but without the haste and access to bursts of draw that youd get in a Boros or Rakdos deck, it can feel like assembling a winning position takes longer
I could see this thing being very real
Where the aforementioned spells ask you to lean in through gameplay, Patriarchs Bidding offers a deck building incentive: stack your deck with creatures of a single type, and youre guaranteed to get more out of this card than most opponents
This is the basis of the powerful Mecha-Magda combo in cEDH, the notorious Hogaak archetype in Modern, and the Valley Floodcaller/Enduring Vitality decks in current Standard
All of these other rare characters, including Robin Hood (I love Robin Hood cards in Lorcana , he's always running away with tons of Lore), really benefit hugely from damaged opponent characters