The real power comes from drawing on opponents second spell each turn
Hidetsugu, Devouring Chaos will allow you to send the top card of your library to exile ready for casting that turn, while also hitting for some any-target damage for good measure
With that being said, lets look at the cards that are already driving everyone wild as we wait with bated breath for the full Pokemon TCG Pocket release on October 30, 2024
Card prices are up 101.5% all time, down 14.5% over 30 days, and up 62.5% year-to-date
Creature - Vampire Noble Color tag templates(None) Indulgent Aristocrat Lifelink , Sacrifice a creature: Put a +1/+1 counter on each Vampire you control
+1/+1 every turn can make a difference more often than you might think, and the +2/+2 boost you can give to Toxic creatures really matters, as making them harder to block profitably comes with extra value +2/+2 can definitely win you some combats, but it isnt that efficient and doesnt have that much additional upside, and you need tricks to be flexible and powerful to counteract the downside of a 2-for-1 risk, and +2/+2 for 2 doesnt really get you there