Trial of the Four Great Dragons

[Main] [Draw 1]. Then, place this card in your battle area. [Main] [Delay] (By trashing this card in your battle area, activate the effect below. You can't activate this effect the turn this card enters play.) • Play 1 Digimon card with [Four Great Dragons] in its traits from your hand without paying the cost. The Digimon played by this effect can't digivolve to level 7, and at the end of your opponent's turn, delete that Digimon.