A flash enabler grants flash to, most broadly, all spells, but we often see this ability limited to something like creatures or sorceries
Passionate Archaeologist, one of the strongest background enchantments, is a nice way to do some extra damage when playing with adventure cards, especially because the permanent side often costs more
The card is already seeing some play in Pioneer and Standard, and Id be surprised if it doesnt start popping up in lots of token-based Commander decks as a way to beef up your army
Burning every opponent for two damage at the beginning of your turns is a good way to pressure multiple players, though there is an argument that it's also a good way to make yourself a target
The first set, called the Alpha set in the years that followed, is very different from the sets of today, as the power level of cards was vastly different
Ulamog's Dreadsire