pokemon greninja card Mega ex - 098/083 (098/083) type decks. Pokemon Trading Card Game Scarlet

You play these cards for a specific reason and that is to return things to your library that you plan on cheating out from that location

A typical Counterspell will not work since the abilities are not spells on the stack

Sleeve Code | Secret Lair, Seeing Visions Sleeve Code | Secret Lair, Restless in Peace Sleeve Code | Secret Lair, Eldraine Wonderland Sleeve Code | Secret Lair, Explosion Sounds Sleeve Code | Secret Lair

At the cost of only one mana, Thoughtseize gives you the ability to get rid of a problematic card in your opponents hand, while also granting you valuable information about how to approach the subsequent turns