(9/20/2024) Because the permanent is on the battlefield both before and after it's turned face up, turning a permanent face up doesn't cause any enters-the-battlefield abilities to trigger
If you put this into play you can even hope to Mind Twist them, again in a very slow manner
Now, it makes sense for green-white to have a harder time getting +1/+1 counters into play, given that theyre best able to abuse them
Colorless Ancient Tomb A lot of what we'll see in the Colorless category is going to be fast or faster mana sources, and that is exactly what you get with Ancient Tomb
There is, in theory, a world where you could run Sunbird Standard, craft it with a white and a black card, and then use it to infinitely reanimate creatures with Alesha and infinitely attack in the combat step, but thats an insane amount of hoop-jumping for a mid payoff