Mercurymon BT12-066

Effect: You may digivolve this card from your hand onto one of your black Tamers as if the Tamer is a level 3 black Digimon._x000D_
[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.