I think subtlety would have been a much better direction
Youll want to sacrifice plenty of creatures in Rakdos, but throwing in value from fetch lands and Treasures kicks things up a notch
Urdnan, Dromoka Warrior I dont have a ton of faith in a mono-white +1/+1 counter commander in a world of green powerhouses like Bristly Bill, Spine Sower, but I kind of dig how fast it is to get Urdnan, Dromoka Warrior down with a counter on it to get started
Agatha's Champion's fight effect is ideal to either destroy a would-be blocker or take out a small creature with relevant abilities, or dispatch a flier that the green deck can't easily block
This has made those two-drop Gramma Talas from set one even more powerful as they now act as a Shift target to reduce the big Gramma Tala, Spirit of the Oceans cost but also they can activate its abilities and will also force your opponents to help you ramp by removing them from the board early game to stop you from shifting and allowing you to eek out more ink advantage
Legendary Creature - Druid Centaur Creature (CTRL to add secondary) Draw Garruk's Uprising When this enchantment enters, if you control a creature with power 4 or greater, draw a card