Plains make white mana, Islands make blue mana, Swamps make black mana, Mountains make red mana, and Forests make green mana
Throw in some mana ramp in the form of spells and creatures, and you could have Torgaar, Famine Incarnate out on the battlefield by turn three
Its ability to untap another attacking creature and pump it up based on Skanos's power can lead to big swings in combat
Extended (which was replaced by Modern, in case you weren't playing back in 2011) Dredge played similarly to Standard Dredgefill the graveyard, flashback Dread Return with several copies of Bridge from Below in the graveyard, and win the gamebut with a couple of major additions from Zendikar block
Considering the developers at Ravensburger work on new cards largely in advance to when they actually release, it should be less likely we will need new banlists in the future