Singleton 100??

[ibtrickey]

Had been wondering what singleton 100 is??

[Coffee Vampire]

It's a format of Magic in which your deck consists of exactly 100 cards, and each of those cards has a different English name.

[Spikepit]

No commander is needed and there for not restricted by theme or colours.

http://www.wizards.com/magic/tcg/resources.aspx?x=magic/rules/100csingleton