For example, I legitimately think I am much more likely to win a 50-60 person RCQ in a format I dont play a lot of, like Modern or Sealed Deck, than I am to Top 8 a weekend Challenge event with Pioneer Spirits
you can either be fully offensive, aiming to always hit first, or you can sit back, block your opponent's strategy, and wait for them to rage-quit
As an added bonus, the Instant also has a Flashback cost of 3G
There is a catch, though, as the spell must be cast at the beginning of your first main phase, and it's treated as any other spell, meaning the free copies can be countered
White and Green both have a lot of notable options, many of which are similar to one another
Negate any card effect that would move a card in the GY to a different place