avatar last airbender booster box Magic the Gathering TCG: the Collector and Toph throughout the set MAGIC AVATAR: THE LAST AIRBENDER

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If this card is directly played from the security stack, it will be played at the same time it's removed from the security stack, therefore the "when an effect removes cards from your security stack" effect will trigger

I attack an opponent's Digimon with it, and perform a security check with

But I think you've already realized the problem: the only way that objective system can work is if the game is scenario-based like Mansions of Madness or Arkham Horror: The Card Game

The Deck Shield featuring Pikachu & Berries is here

negate the effect.