At best, after an Immense or something similar, you are dealing 8+ damage, either killing your opponent on the spot or guaranteeing your Bolts/Goyfs can finish the job next turn
[card]Opal Palace[/card], on the other hand, is not nearly as powerful as the first two and once the novelty wears off, it will probably only be at home in a deck that really wants the +1/+1 counters on its general, like Marath or Animar
That often puts a stop to ramp strategies or +1/+1 counter strategies, and it invalidates casting expensive spells
I'll brook no arguments that Land Tax doesn't deserve to be on this list
Instead, I simply adore the versatility this little Frog brings with it: a discard outlet for Abdel loops in my The Master of Keys deck, an extra card each turn thanks to how open combat tends to be these days, plus the ability to dodge damage-based removal thanks to its ability to rapidly grow
objects, and much more