You'll add mana at the beginning of the next main phase whether or not Conduit of Storms (or Conduit of Emrakul) is still on the battlefield
The two separate bodies you get would work well if we had a cheaper lord effect, but the Elf lord of the set is 4-mana, which is unfortunate
6 Oppression Similar to Chains of Mephistopheles, Oppression is disliked by the Commander community thanks to its reputation for assaulting everyone's hand
Control decks can also be a problem, as one of the best ways to disrupt control, forcing them to play cards on their turn, is hard for Reanimator decks to do, meaning that sometimes it becomes a waiting game of baiting your control playing opponent into taking action before you do, but even that might be difficult as many control decks forms of removal do so by Exile, not destroying things
Die now, that our future can live