At its core, the strategy is about building a well-oiled machine consisting of three parts, a steady supply of sacrifice fodder, a way to kill those creatures for free, and Blood Artist effects that punish your opponents every time one of your creatures hits the bin
Alternatively, Cosmic Spider-Man is a great new keyword soup commander, with his WUBRG colour identity letting you run Odric, Kathril, Indominus Wreck, and Aurelia all together in a soupy deck for the very first time
At that point, you stop feeling very vengeful regarding that attack
While the "legend rule" doesn't apply to creatures you control, you can control any number of legendary creatures with the same name and none of them will be put into the graveyard
If you have 2, you can go for a reanimator plan