Emblem Dack Whenever you cast a spell that targets one or more permanents, gain control of those permanents
Like most Magic: The Gathering cards, the value of Hollowmurk Siege 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 (Tarkir: Dragonstorm)
He's a 3/3 creature and, whenever a Hero you control enters, he gives it Vigilance and Haste until the end of the turn
There are differences, of course, but think the open-ended puzzle of trying to find the right combination of spells that get creatures into your graveyard and creatures with keywords that graft onto other creatures is a new spin worth spending time on
Well, your deck derives an advantage from building up a board over time
From the Rubble From the Rubble starts as an overpriced reanimation spell for your creature type of choice, but sticks around to repeat the effect turn after turn