Any Through the Ages card that you find in your FIN Sealed pool, or that you pick during a FIN draft, is playable in that Limited format , even if they arent Standard-legal
It is fair in that you don't get a burst advantage over the opponent but you will get a mana advantage overall fairly quickly
This impressive instant is so powerful that it was banned in Legacy and restricted in Vintage
At this point, almost everyone who isnt playing this deck has been trying to come up with ways to specifically counter itand these methods have clearly been failing because of how overpowered this card is
Hed turn two Merfolk Traders, turn three Intuition for Great Whale, turn four combo off by Recurring Great Whales into other Great Whales over and over, eventually playing a really big Stroke of Genius for the win
Eventually, Abhorrent Oculus fell out of the Standard format and took a back seat in Modern to Boros Energy