The "Urzatron" lands, Urza's Mine, Urza's Power Plant, and Urza's Tower, each produce one colorless mana on their own, but if you get all three together they'll make seven
In any vampire deck, a turn 1 Blade of the Bloodchief spells doom for your opponents, and there are a couple infinites you can pull off with the Blade's counter production
If you already have several planeswalkers Chandra is potentially mana positive, but I really like her ability to drop an Earthquake or something like that as soon as you cast her
Phyrexian Gargantua (MOM-121) - March of the Machine Foil Phyrexian Gargantua (MOM-121) - March of the Machine Foil Wizards of the Coast This item is like new, pulled from a sealed pack
This is especially true for the sets two precons, which have already proven especially popular
graveyard hate should be played liberally at all tables, after all