You can still buy a sealed box with 60 FE boosters for about $150-200, and that very fact makes it less appealing as "true old school"
Ghalta, Primal Hunger Ive seen this creature be cast as early as turn 3 or 4, and I can imagine some play patterns allow you to cast it even sooner
Turn one Sol Ring into turn two four-mana play represents a tempo advantage that opponents struggle to overcome
This spell is still very powerful, but I think sticking to artifact tokens instead of creatures for Waterbending will be more beneficial, especially if those tokens are clue tokens
Similar to quite a few of the removal spells weve already covered, Demon Bolt just does too much for what it asks of you
I suspect it will see play in the absence of other options, but players will probably not be excited by it, since there is a vast canyon between the power level of the two options