Spine of Ish Sah is a bit pricey, but not only does it deal with any problematic permanent you like, but it recycles itself
Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Notes and Rules Information for Kindred Boon: If a creature that isn't of the chosen type somehow gets a divinity counter on it, that creature will have indestructible
Otherwise, buying cards standalone is perfectly legit as well, especially for some of the less pricey picks from the latest Universes Beyond set
Sure, we can set ourselves up for some shenanigans with that (Hell's Caretaker, Ashnod's Altar, Attrition, etc.) but the real fun is getting the opponents to sacrifice their stuff
On your end step you can create a copy of a token you control, if that token is a Squirrel, you make two of that token instead
The monster that appears on the Soul Burn card greatly resembles a creature from Dungeons & Dragons called a Drider