Obviously, this can be very oppressive when your opponent is cracking a fetchland or casting something like Cultivate, but you usually wont use Opposition Agent to stop something like that
What makes a good zombie commander Zombies are a black-based tribe mono-black at their cheapest, splashing blue (Dimir) for card draw and reanimation, or white (Esper) for token payoffs
A three mana 3/2 with Haste is easily a C, and this comes with some pretty real upside
When it's defeated, exile it, then cast it transformed.) When this Siege enters, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle
Hidden Cove and Rapunzel also add to the Will Power of your characters, which will come in handy so you can keep them around long enough to make an impact
Ramp cards are an important part of the deck due to it being five colors