According to the comprehensive rules, "The phasing event doesn't actually cause a permanent to change zones or control, even though it's treated as though it's not on the battlefield and not under its controller's control while it's phased out." For this reason, all triggers affiliated with leaving or entering a zone won't happen due to phasing
The neat thing about Rat Colony though, is that it doesnt force you to only use other cards with the same name, you can fit twenty of them into a Rat-themed Commander deck and not have to worry about not having enough other copies of it
This has mediocre stats and an ability that is just way too costly and narrow
Creature - Human Wizard Color tag templates(None) Ulamog, the Ceaseless Hunger When you cast this spell, exile two target permanents
The ability to replace itself is a popular design choice in the game of Disney Lorcana, a game in which card advantage is king