Zelroth, Lord of Shadows

Shade creature's you control have undying.
Navigate {3}{b}{b} ({3}{b}{b}, Exile this card: Reveal the top card of your library until you reveal a land card. Put that card onto the battlefield and the rest on the bottom of your library in any order.)
As long as Zelroth, Lord of Shadows is in exile, attacking Shade creatures you control have menace and deathtouch until end of turn.