Also legal until then is Lost Caverns of Ixalan, a deck packed with, well, caverns, but also dinosaurs, pirates, merfolk, and more
This is because those counters are put on as a cost, not as an effect
You have to sacrifice a creature as an additional cost
If you do manage to defeat the Battle, you get a three-power Creature that gives your non-Creature spells Convoke, which in conjunction with the Kraken tokens is a great ability if your deck is built around it
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
However, we have to talk about why the Zombies themselves will eventually be a viable archetype in Pioneer in the first place