Faithless Looting and Desperate Ravings not only make you discard more cards that could potentially have flashback, but they themselves have flashback to be played again to fill your graveyard with flashback cards further
Maybe it's just statistics
Of these conditions, having all colors in play is surprisingly the easiest
Similarly, if the creature has an ability that triggers when it leaves the battlefield that refers to the number of counters it had, that ability will use the number of counters that were on the permanent, even if The Ozolith's first ability resolves first
1 Collector Booster Sample Pack (2 cards: 1 Rare or higher, 1 foil borderless Uncommon)
If this list were about Draft, this card would make a strong argument for number one