This is not just me, on EDHREC.com, the Arena is in 240,548 decks and Sign in Blood in 179,435, so tens of thousands less
Sacrifice the rat that saddled Gitrog to draw cards equal to its power, which counts all your other rats on board
the Committee even used the same justification for its banning of archetype diversity and freedom in deck construction, except Lumra had a slightly different angle on it than SP99 as a combo commander that was both fast and resilient
Number 23 Language English Legal Formats Commander, Legacy, Pauper, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Pioneer, Standard, Timeless Rulings (12/8/2022) You choose the target for Dread Return before paying any of its costs, so it's not possible to cast it using flashback and bring back one of the creatures you sacrifice
Cards like Wellspring of Life or commanders that gain life make the four-life payments trivial, turning this into a powerful card advantage engine
Say what you like about old-school EDH, but this ban was deserved at the time