That's exactly the problem, unless you blow up his lands, Liliana isn't gonna do squat, since he'll just go and cast whatever he's drawn. Liliana is sorcery speed, unfortunately. Also, since the opposing player will be playing cards and not only stand there looking at you, you can count on his hand to be empty (if you pack Thoughtseize and Distress, so you can pinpoint get rid of draw spells) in about 4 turns. Assuming you DO hit a land drop each turn, you STILL won't have mana to cast Liliana, but on the other hand if you dropped 1 The Rack and a Tarmogoyf, your opponent is probably by now below the 10 life points range (and this is NOT counting Megrim action), so Liliana won't be necessary. I would advise, though, to playing Chameleon Colossus, so players can't keep chumping Tarmogoyf with Bitterblossom tokens, or to figure a way to make red mana as well and pack Firespout (then you can kill not only Faeries, but ALSO annoying Kithkins). This would make the deck much more resilient, since the biggest problem with dedicated discard is that if an aggro deck vomits his hand on the first 2-3 turns, there's not much you can do afterwards, and Damnation is not as versatile as Firespout (which won't kill your Colossus, Goyfs and/or manlands), while costing more.