The emblem only leaves if its controller leaves the game
Toss in being a main deck answer to some very problematic cards - like Ensnaring Bridge - and it wouldnt be a surprise to see Gleeful Demolition become an 8 Whack staple moving forward
*The illustration may differ somewhat from the final product
Tidus, Yunas Guardian, lets you move counters around, but the type of counter isnt specified
Don't worry about all those lands going to hand, because Hakbal also lets you put a land into play when he attacks, and if you don't have one or don't want to, you draw a card
There are multiple very relevant threats which survive Lightning Bolt but die to Heat, such as [card]Yawgmoth, Thran Physician, Omnath, Locus of Creation, Crashing Footfalls, Primeval Titan, most Planeswalkers, Yorion, Sky Nomad, and the list goes on