There are plenty of ways to get even more out of a card like PuPu UFO, especially with abilities that untap a card, allowing you to triple the amount of lands you can play in a single turn for devastating effects
Beginning of Combat step Before you get to fighting directly, all players can choose to use instant abilities and effects - these might include attempts to tap creatures or otherwise weaken your opponent or strengthen yourself
breaking of trust can be met with violence or, if you are lucky, being outcast from Ureni's protection and Temur lands
(In other words, you can't sacrifice the same creature to satisfy multiple devour abilities.) All creatures devoured this way are sacrificed at the same time
If you really need cards that bring lands back from the graveyard, and an effect like Crucible of Worlds is not good enough, this is an ok way to do that