Dreamstone Hedron One of several mana rocks that draw you 2+ cards, Dreamstone Hedron provides a ramp effect when needed and can be ditched for more cards when it's no longer useful
Its true power arrives once you pay 6B and sacrifice a creature to harness it, unlocking an upkeep trigger that reanimates a creature from your graveyard every turn
Duskmourn is a new plane that is one gigantic, derelict, terrifying haunted house, ruled over by a demon called Valgavoth
Picking one or more modes from a juicy selection gives me all the decision trees I could want, not to mention providing interesting bits of flavor
Enchanted creature gets +2/+2 and has flying
Less than a half dozen can do, provided you have enough defense to survive the game in the meantime