There is, in fact, a community of proxy-peddlers and their clients which you wont find with the best of Google searches or the most thorough scouring of some shady websites
First Upgrade A deck that likes to attack and needs the commander tapped will love Opposition
It seems that after death this protector chose to still serve Ravnica l and now walks the streets as an undead
Skilled Combatant rewards beating up your opponent's characters because, in banishing them, you gain two lore
Before we get to that point, we do have a handful of ways to return small creatures to the graveyard for additional, incremental value, like Teshar, Ancestors Apostle
Coastal Breach and Devastation Tide are among the most straightforward of these effects, as both bounce nonland permanents without discrimination and have cost reduction mechanics that make them a very low mana investment so you have leftover mana to rebuild with