When do the SDCC exclusive black on black planeswalkers from Origins become Standard legal? I ask because promos sometimes become legal before the rest of the set does. Are these able to be played this week, or on Friday like the rest of Origins?

Referring to http://wpn.wizards.com/sites/wpn/files/attachements/mtg_mtr_17jul15_en.pdf

The only formats that allow special/promotional card use as of printing date of the special set are Vintage and Legacy.

Just a quick note to add the ‘O’ to what Jeff said.

d:^D