how to tell the value of yugioh cards Discovering Hidden in Old Yu-Gi-Oh Guide to Evaluating Yugioh Cards

Remove from play a number of card(s) in your Graveyard equal to the number of counters on this card to destroy that same number of Spell or Trap Card(s) on the field

The Mewtwo ex card depicts a very different atmosphere

This leaves Beseech the Queen as a (mostly) unconditional tutor for any color, which is potentially very scary indeed

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It's a Trap Raigeki (most of the time, your opponent's monsters won't have an A-Counter until your turn unless you have Kid or recently played PPV) and generates free counters on everything your opponent Summons, which is nice for turning Telepath into MST or even a sudden Brainwashing Beam, though Beam is kinda situational