Mercurymon (BT12-066 C) [Across Time]

Product Details

[Digivolve: 0 from [Sephirothmon]]
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 Until the end of your opponent's turn, 1 of your Digimon gains [Blocker].