With so much flexibility on how you curve out in a green ramp deck actually fitting in lands than come in tapped is pretty easy beyond the first turn
Meanwhile Red has access to a lot of targeted artifact hate - Manic Vandal, Ingot Chewer, and Oxidda Scrapmelter - and White has primarily access to the enchantment hate - Dawnbringer Cleric, War Priest of Thune, Wispmare
Any as [this creature] enters the battlefield or "[this creature] enters the battlefield with abilities of the creature card will also work
Let White Orchid's Knight SHINE
Phyrexians have stronger synergy with Brimaz, Blight of Oreskos, triggering both his first and second ability
It plays out in much the same way in Commander, giving you a board full of chump blockers that can help keep you alive until you have about 100 of them and can start swinging