Mercurymon

[Digivolve] [Sephirothmon]: Cost 0

You may digivolve this card from your hand onto one of your black Tamers as if the Tamer is a level 3 black Digimon. [On Play] [When Digivolving] 1 of your Digimon gains ＜Blocker＞ (At blocker timing, by suspending this Digimon, it becomes the attack target) until the end of your opponent's turn.