If an activated ability of a card in exile with a brain counter on it references the card it's printed on by name, treat Rex's version of that ability as though it referenced Rex, Cyber-Hound instead
Example Game Let's take an example from the last week of my tournament
Heres every set with at least one god, ordered by the number of gods in those sets: Kaldheim (2021): 12 Theros: Beyond Death (2020): 7 The Lost Caverns of Ixalan (2023): 6 Theros (2013): 5 Born of the Gods (2014): 5 Journey Into Nyx ( 2014): 5 Amonkhet (2017): 5 War of the Spark (2019): 5 Final Fantasy (2025): 4 March of the Machine (2023): 4 Hour of Devastation (2017): 3 Battle for Baldurs Gate (2022): 3 Assassin's Creed (2024): 3 Aetherdrift (2025): 3 Secret Lair Exclusives: 3 Adventures in the Forgotten Realms (2021): 2 Modern Horizons II (2021): 1 The Lord of the Rings: Tales of Middle-earth (2023): 1 Murders at Karlov Markov (2024): 1 Lorwyn Eclipsed (2026): 1 How Many Gods Are in MTG
Like many other dominant gold creatures, Spiritmonger muscled out all of its competition
Its white webs glitter, mimicking the frost on the trees branches
Poor labeling will likely cause unpleasant disruptions, even slips and mistakes caused by accidental confusion