These were generally cards that were seen to be too problematic when you always had access to them from the command zone (Rofellos, Llanowar Emissary is a great example, as it could consistently come out on turn 2, or even turn 1 with a particularly spicy hand!)
Fade From History This card should be in every single mono-green and gruul deck that doesn't consist of over 50% enchantments
Red/Green decks were not only sped up by Tinder Wall, but by Orcish Lumberjack, as well
White has a number of options to reduce the cost of Angels or search your deck for a particular Angel to cast, although you might prefer to cast the next Angel on this list
Harbinger of the Tides is a legit two-drop, but it has a lot of flexibility later
This is a cheaper-than-normal mana doubler for instants and sorceries, which is reason enough to run it in many decks