P/T Set Number 394 Language Espaol Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) Emet-Selch's last ability checks your graveyard at the moment it would trigger to see if you have fourteen or more cards in your graveyard
If damage that a source would deal to you can't be prevented, you still put an incarnation counter on Nine Lives
This is quite obviously a rather important decision to make
Many decks that focus on the best planeswalkers in MTG often run several different walkers to maximize value and board control
The more interesting value will be using Archfiend of the Dross to do a lot of damage and then sacrificing it before the last oil counter is removed