tactical masters yugioh booster box YU-GI-OH! TCG Pack (English Version) – PokéTCG This theme specializes in changing your Pendulum Monster Cards from Spells into monsters and changing your opponent’s monsters into Spells Tactical Masters - Yugipedia

This effect mitigates cards like Show and Tell or Allosaurus Shepherd that allow your opponents to get creatures around your countermagic or to shut down a combo while your opponent is in the middle of going off, forcing them to waste a bunch of time and resources for a win they were never getting

In this Great Tusk Mill deck list and guide well be looking at that deck and going into some of the strategy behind how you can use this deck to succeed at your own competitive Pokemon TCG events

Thats with their popularity level, and the price of their packs

The last high-profile card to reference the cleanup step is Necromancy