Allowing your opponents to have another turn with a handful of cards could be the end for you though, so be careful
Certainly the Cloud can be oppressive and it will straight up end the game if you get to land a good one but it is not something you can just throw in some mana rocks and have reliably do what you want like Upheaval
Whenever this creature or another Lhurgoyf creature you control enters, that creature deals damage equal to its power to any target
Its also strong as a 6/5 indestructible creature if you have enough devotion, but thats the secondary ability
It will take every last one of them, because the Invasion Tree has opened portals in every corner of the Multiverse, no matter how seemingly innocuous Or devastatingly familiar The Phyrexians have everything they need to complete their great work
While you may feel better about paying it off in six weeks or six months, what if you cant