Blue was given a creature that could repeatedly emulate Harrow, an actual, factual green mana ramp spell, for as many turns as you wanted
If thats the case preparing for an event, I think its perfectly OK to deviate even if a deck is perceived as the best one
Finally, if your goal is to collect sleeves themselves, then go for limited edition sleeves
In addition to these techniques, some Pokmon have Pokmon Powers that can affect play
Card Set(s) ST-11 Uta Deck Battle Participation Pack CARD VIEW P-059 | P | EVENT The World's Continuation Block icon 2 Effect [Counter] If your Leader is [Uta], you may return any number of Characters on your field to the owner's hand
Sealed Prerelease Events Flight 1 - June 6, 3 PM (3 Round Event) Flight 2 - June 6, 7:30 PM Flight 3 - June 7, 11 AM Flight 4 - June 7, 5 PM Flight 5 - June 8, 11 AM (2-Headed Giant) Flight 6 - June 8, 5 PM Each event will consist of a sealed event of some variety (regular or 2 Headed Giant), and last 3-4 rounds of play