My guess is that the combination of all these factors graveyard hate being good, relevant typing, and synergy with both milling and removal effects already key to the deck makes this card more likely to be good than not, and possibly outstandingly so
Using this Zard is a gamble, and Cyrus can punish you
Then, in a spell-heavy deck, Hearth Elemental can be cast for cheap as a much-needed beater in a color combination that's light on beaters
Grima, Saruman's Footman, Knollspine Dragon, Notion Thief, Shelob, Dread Weaver, Boon of the Wish-Giver, Decree of Pain, Deep Analysis, Lidless Gaze, Fact or Fiction, Relic of Sauron 10 card draw
Grushas Alt Art card captures a moment of warm comfort amidst the cold snow, as Grusha stares at the frozen outdoors from the toasty confines of his home
(2011-06-01) If you're at 1 life or less, you can't pay 2 life