#10 Conduit of Ruin Battle For Zendikar Enablers are a crucial part of any Commander strategy, and Conduit of Ruin offers this for Eldrazi by reducing the cost of the first creature card you cast each turn, with the bonus of finding a colorless creature card with a mana value of seven or more from your library into your hand Ulamog, the Infinite Gyre, Emrakul, the Promised End, and Kozilek, Butcher of Truth are all excellent targets
It's not Black in color identity but I have to mention it here
It was the centerpiece of many infinite mana combos, utilizing other cards like Temur Sabertooth, Barrin, Master Wizard, and Cloudstone Curio
I can only find a card named Mind Burst and not an ability
Mwonvuli Ooze Now well head all the way back to Weatherlight for another guttural exclamation