Now that you know what power creep is, you can probably guess the reason behind it, but there are two reasons it exists
Braids, Arisen Nightmare allows you to sacrifice a permanent in hopes that your opponents will do the same
The most utility you will get out of this is in Marincess or Umi Control strategies, or adding back a Loading
Proton Blast X TRAP Continuous Once per turn, if an activated card effect tosses coins, immediately after it resolves, apply the following effect(s), depending on the number of heads
Rarity: Break Rare Card Type: Pokmon BREAK Card Text: Omastar BREAK retains the attacks, Abilities, Weakness, Resistance, and Retreat Cost of its previous Evolution
This allows him to be reused for Ultimate Slayer multiple times if necessary