2016-07-13 : For more information on double-faced cards, see the Shadows over Innistrad mechanics article (http://magic.wizards.com/en/articles/archive/feature/shadows-over-innistrad-mechanics).

2016-07-13 : If Conduit of Storms attacks and you transform it into Conduit of Emrakul later in combat, you’ll add {R} to your mana pool, not {C}{C} and not {C}{C}{R}.

2016-07-13 : You’ll add mana to your mana pool at the beginning of the next main phase whether or not Conduit of Emrakul is still on the battlefield.

2016-07-13 : You’ll add mana to your mana pool at the beginning of the next main phase whether or not Conduit of Storms is still on the battlefield.