It's because Mitsuhiro Arita is as well
Yedora, Grave Gardener is a four colourless and one green-mana legendary creature that reads: Whenever another nontoken creature you control dies, you may return it to the battlefield face down under its owner's control
Sadly, Selvalas card-drawing effect is symmetrical, so it effects all players in a Commander pod, but as long as your deck is crafted correctly, you should be the one reaping most if not all of the benefits of casting some hulking bruisers after heavily ramping mana with your myriad Elves
Finkel gives me a stunned look, then wipes his face like he doesnt know where to begin
If you have reason to change only specific Creatures, however, this could be a powerful effect
Thats a lot of mana to work with, especially in a Vintage-esque format where you can win off 2- or 3-card combos that are already cheap