I've considered Gutterbones as he requires one less mana but requires I do damage to the opponent and can only bring him back on my turn
However, we have to talk about why the Zombies themselves will eventually be a viable archetype in Pioneer in the first place
Any choices made for the original spell or effects affecting the original spell aren't carried over to the new one
P/T Number 153 Language English Legal Formats Commander, Legacy, Modern, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Pauper, Pioneer, Standard, Timeless Rulings (3/19/2021) The ability that defines Tarmogoyf's power and toughness works in all zones, not just the battlefield
Also legal until then is Lost Caverns of Ixalan, a deck packed with, well, caverns, but also dinosaurs, pirates, merfolk, and more