Mischief of the Yokai is a Ultra Rare Trap Card card from Yu-Gi-Oh! (Starstrike Blast, STBL). Current market price: $1.50.
Ultra Rare
Starstrike Blast (STBL)
Card Text
Each face-up monster on the field loses 2 Levels, until the End Phase. You can remove from play this card from your Graveyard to select 1 face-up monster, and reduce its Level by 1, until the End Phase. This effect cannot be activated the turn this card is sent to the Graveyard.
