20 cards where (the cards are dual lands that fetches lands from the library or the cards are dual lands that deal 2 damage to you)

Set № Name ▲ Cost Type R La Artist USD EUR TIX
MH2 244 Arid Mesa Land R EN Raymond Swanland $15.93 €14.44 1.84
RVR 273 Blood Crypt Land R EN Rob Alexander $13.95 €14.41 0.72
MH3 216 Bloodstained Mire Land R EN Bruce Brenneise $20.11 €14.16
RVR 275 Breeding Pool Land R EN Rob Alexander $16.19 €15.67 0.84
MH3 220 Flooded Strand Land R EN Alexander Forssberg $21.72 €17.06
RVR 277 Godless Shrine Land R EN Rob Alexander $9.85 €10.56 1.31
RVR 280 Hallowed Fountain Land R EN Rob Alexander $9.28 €9.03 1.23
MH2 248 Marsh Flats Land R EN Izzy $14.35 €12.71 0.68
MH2 250 Misty Rainforest Land R EN Shelly Wan $18.20 €18.66 4.78
RVR 283 Overgrown Tomb Land R EN Rob Alexander $11.08 €11.00 1.92
MH3 224 Polluted Delta Land R EN Chris Ostrowski $24.68 €19.32
RVR 285 Sacred Foundry Land R EN Rob Alexander $17.41 €14.05 1.26
MH2 254 Scalding Tarn Land R EN Philip Straub $19.06 €19.99 3.60
RVR 288 Steam Vents Land R EN Rob Alexander $14.47 €14.23 1.84
RVR 289 Stomping Ground Land R EN Rob Alexander $11.13 €10.70 1.25
RVR 290 Temple Garden Land R EN Rob Alexander $11.73 €10.95 0.39
MH2 260 Verdant Catacombs Land R EN Vance Kovacs $16.47 €15.04 1.78
RVR 291 Watery Grave Land R EN Rob Alexander $13.00 €12.39 0.63
MH3 235 Windswept Heath Land R EN Alexander Forssberg $16.99 €10.15
MH3 236 Wooded Foothills Land R EN Chris Ostrowski $21.52 €15.53

The message was clear to Sorin—time to search for something else.