While Liers ability says Spells cant be countered, it doesnt say anything about abilities
One particularly damning thing to note is this chart: This table shows that with 7 Swamp and 7 Plains, you will have the required Plains to cast a turn-3 Territorial Hammerskull only 85.9% of the time (on the play, in absence of mulligans or card selection)
Like previous enchantment subtypes like Sagas and Classes, Rooms give you a way to gradually ramp up the abilities of your enchantment, provided you have the mana to pay for it
Diabolic Intent It took me a long time to come around on Diabolic Intent
Like most Magic: The Gathering cards, the value of Syr Elenora, the Discerning depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (The List)