Kargoth's Command

Until end of turn, the next time target creature you control blocks, it gets +1/+1 and gains indestructible.
Search your library for a card named Kargoth, the Ever Dominant, reveal it, and put that card into your hand. If you searched your library this way, shuffle it.
"He has never met any other dragon -Or at least if he has, they are most certainly dead by