As a mono-black card, its incredibly easy for Terror Tide to be loaded up with exactly as many permanents as you need to remove your opponents most powerful creatures
If you've never seen Nadu in action, its ability (revealing the top card of your library whenever one of your creatures becomes a target of a spell or ability, then putting it into play untapped if it's a land or putting it into your hand if it's not, twice each turn for each creature) creates not infinite but sort of functionally infinite loops with an equipment that equips for free, like Skullclamp or Lightning Greaves
When paired with utility lands like Access Tunnel, whites excellent removal and black's card draw, this deck is resilient and strong
Ulalek, Fused Atrocity Now this is a very interesting eldrazi commander to build a deck around
Milling with Jidoor, Aristocratic Capital has been a dud for me as a wincon because half the deck, even multiple times