Well, according to the auction listing, only 31 of the cards were ever PSA certified, with the specific card in question being the sole one of those to get the maximum 10 rating
This little Felidar doesnt seem powerful enough to get booted out of two formats, however, it happens to create an infinite combo when used alongside the Planeswalker Saheeli Rai
(1/24/2013) If Fathom Mage enters with a +1/+1 counter on it (perhaps due to Master Biomancer), its last ability will trigger once for each +1/+1 counter it entered with
The new Commander decks coming in Adventures in the Forgotten Realms - Magic: The Gathering's upcoming Dungeons and Dragons crossover set - will each feature a D&D adventuring hero as their main commander card, as well as at least one other possible commander, including an "iconic" D&D monster, publisher Wizards of the Coast says
Not losing is not the same as winning, and these shouldnt be seen as a different way to win
If you have 10 or more in the Lost Zone, you can drop Fantina [Lost Origin] to reduce incoming damage by another minus 120 to make it minus 220 total