[YECL] Aquatic Subtlety - What are your thoughts on this card in Historic? | tcgmode

I've played against it a few times now and no matter which deck I was playing essentially lost the game immediately. If you do not counter it the value generated is immense as the opponent evokes cards like [Atraxa Grand Unifier](https://scryfall.com/card/one/196/atraxa-grand-unifier) and [Agent ...