Your Sacrifices Wont Be in Vain Yawgmoth, Thran Physician | Illustration by Mark Winters Sacrificing creatures might be one of the most fundamentally black game actions you can take in the game, even though over the years its spread to other colors in Magic's color wheel
Recruit a trusted partner and fight back-to-back, claw-to-claw, or shoulder-to-tentacle for gloryand the roar of the crowd
(704.5m) Similarly, thanks to an un-documented silver-bordered state-based action no longer applying, your creatures with augment can now survive even if not attached to a host
So, turn-4 Cerberus followed by turn-5 Time Warp is possible
It is debatable which one is the next best, but I would have Diluvian Primordial as tied second with Sepulchral Primordial depending on your deck and your opponents deck, as they both rely on your opponent's graveyard
For just one mana, Shadowspear will strip all your opponent's permanents of both Hexproof and Indestructible keywords, leaving them wide open to your spells.