The good news is that the Reserved List isn't set in stone
Play Dice Up only as a meta-dependent sideboard inclusion if your deck naturally has expendable weapon counters and expects significant aura matchups
It was actually protecting my graveyard from Deathrite Shaman that really sold me, even though its a pretty big corner case where that will matter
Its also very strong as a 2-mana draw two, an incredible rate made even better since you get the best two of three, a choice thats always better than two random cards
If you compare it to other decks (Water, Grass), fire has some limitations when it comes to powering up their attackers in an efficient way, let alone drawing cards
Ice Storm for land destruction is great against untapped lands, but too mana intensive