black land cards mtg MAGIC THE GATHERING 2005 9th EDITION SWAMP BASIC CARD A Black, Rules Text: Land, 85

They are all viable

I run this is the vast majority of my Blue Commander decks, since, unlike Rhystic Study, this is nice and no one will feel hurt with your taxes or massive card draw

Siege-Gang Commander makes 3 1/1 Goblins and can sacrifice them for one and a red mana to deal two damage to any target - it's obvious that Spawn-Gang Commander hasn't forgotten its roots, featuring an almost identical set of abilities and text

If we look at the most played creatures in the 99, this hits Archmage Emeritus, Champion of Lambholt, Drannith Magistrate, Esper Sentinel, Grand Abolisher, Notion Thief, Opposition Agent, Pitiless Plunderer - the list goes on

Its a bit expensive to really be all that useful, though

But what truly makes it legendary is its cycling ability