While the main focus of this set was obviously cramming in as many important characters as possible, it's not only new cards - there are some choice reprints as well
Containment Priest can absolutely shut down certain strategies
Its worse in that its harder to deal three damage to your opponent with it, but even that can happen by targeting your own large, unblocked creature
In other words, the more you fuel Charizard with Fire Energy, the bigger the boom and unlike past cards with similar effects, theres no damage cap on this attack
Card Set(s) -ADVENTURE ON KAMI'S ISLAND- [OP15-EB04] CARD VIEW OP15-052 | UC | CHARACTER Leo Attribute Strike Block icon 4 Type The Tontattas/Dressrosa Effect If your Character with 7000 base power or less would be removed from the field by your opponent's effect, you may place 1 of your Characters at the bottom of the owner's deck instead
Failing that, blue decks want to have untapped mana on their opponents turn, and this lets you do that