A Pokmon master set includes every card in a TCG expansion, including secret rares and all variants
So, as long as you have the materials for it in the right place, you can create a Dragon jumpscare for your opponent to deal with
it gains ATK equal to its original ATK, also during the End Phase of the next turn, destroy that face-up monster, and if you do, your opponent takes damage equal to half its original ATK
That is a whole new ballgame
However, rather than winning you the game, this combo automatically gives the win to your opponent
Once per turn, this card can activate 1 of the following effects based on the attributes of monsters on the field: *FIRE- Inflict damage to you opponent equal to this card current DEF