Many powerful hatebears and utility creatures we can play with Lurrus have the Cleric type, and they also lend themselves well to themes of sacrifice, recursion and lifegain which fit with Ayli
Improving upon Fascination, we have Dread Summons, which not only mills the table, but will also give us the army we need to survive
These arent tri lands in the strict sense because they only produce colorless mana themselves
This Sol Ring can tap for two mana, for instance, like a super powerful Land
Thankfully, with Wilds of Eldraines Enchanting Tales containing powerful white reprints like Land Tax and Smothering Tithe, Moonshaker Cavalry should have all the support it needs to have maximum impact and regularly close out games
This is a straight-up powerful effect