Agatha allows you to pay X less for your activated abilities of creatures you control, where X is its power
Razaketh is an 8/8 with Flying and Trample, which already makes him hard to defend against as is
Right now, that feels like a very strong recommendation
Should evolve from GrimmsnarlV not RillaboomV 1 Like Show Off Your Error Cards Megathread
GXs are a generally more balanced type of card because rather than immediately play some huge basic card like a Charizard EX, you may have to spend a few turns to get out something like a Solgaleo GX or Alolan Ninetales GX
The rules explicitly point out that getting tabled is not an automatic victory, and the remaining side should play out the remaining turn limit to see how many points they can acquire, particularly in tournament and narrative play (where the exact number of victory points gained matters beyond that one match)