Doors of Durin (Extended Art) (LTR-368) [The Lord of the Rings: Tales of Middle-earth]

Whenever you attack, scry 2, then you may reveal the top card of your library. If a creature card is revealed this way, put it onto the battlefield tapped and attacking. Until your next turn, it gains trample if you control a Dwarf and hexproof if you control an Elf.