Boxing Ring: Green has never been great at removing creatures, but a two-drop artifact that allows your creatures to fight enemy creatures and then create a treasure if they fought this turn is a decent way to help clear the way for your big stompy bodies to get through for combat damage
Hornet Queen gets a bit more love these days as it is more of a pure 7 drop and not the ideally 8 drop that Avenger is
Heliod the Radiant Dawn While I enjoy low- and mid-powered games, I've always had a soft spot for decks that are incredibly explosive
Finishing up with the Phyrexians deck, Growing Threat is an Orzhov (black/white) led by the kitty cat Brimoz, Blight of Oreskos
However, with the release of the Mega Rising expansions, the drop rates and distribution of Shiny One and Shiny Two were changed
Its a big hurdle placed in the opponents path, and the time it takes them to get over it is time you can spend catching up or winning the game yourself