If the spell that targets Fblthp has no other targets, it won't resolve (because it no longer has a legal target after Fblthp has gotten totally lost in your library)
Thats why today I cover all your questions regarding the mechanic including how it works, the details of its interaction with the game, and what cards use it best
Jund's too good at that game
(At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of each players upkeep, that player sacrifices a green or white permanent of their choice
There are plenty of other blue lords out there, but for now, its enough to say that while these cards fit the pump theme, they really belong in the blue lords conversation
1 Jedit Ojanen of Efrava