I like this, though how useful is it in a 2 color deck?

If we have heavy two colored land base, not as much. But if the deck mostly relies on basics, like a lot of fuel decks, more so.

what if it were 2 mana

Would that require a tapped when it etb?

I think something that isn't mana related would be better. Like Thopter Foundry or Rogue's Passage.

You mean Foundry of the Consuls? I agree.

The thing I expected was actually some kind of Seraph Sanctuary rather than a slightly sideways Ancient Ziggurat.

Maybe this deck needs a ramp land or storage land to help pay for pray costs rather than tribal support?

Pray enabler, but perhaps too powerful?

This doesn't feel like an uncommon. This feels more like a rare.

Re-redesign based on past suggestions to avoid mana and make a more useful ability.

Comparable to Vitu-Ghazi, the City-Tree now.

I personally think ETBT is not necessary.

I think the seven creature requirement makes the token ability basically unusable - and does nothing to actually add to your number of creatures when you need them most... maybe "if you control an Angel or Cleric"?

Seven or more creatures is a real steep cost :/

Switched to five. It will definitely need playtest to find the right number though.

Seems win-more, even at only 5 creatures.

Maybe this could be closer to Selesnya Evangel.

", , Tap two untapped creatures you control: Put a 1/1 white Cleric creature token onto the battlefield."?