The card has such widespread applications that even listing a single deck in particular to attribute it to feels like it misses the point
Number 174 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pauper, Pioneer, Timeless, Vintage Not Legal Formats Alchemy, Standard Rulings (8/15/2010) If you choose to find only one basic land card, you put it onto the battlefield tapped.
The artwork presents a massive elemental entity covered in coral, emerging from the ocean's depths in an explosive emergence
It's graveyard hate against lots of decks in the format and you can even use a spell from your opponent against them like card draw or a dead planeswalker
While this isnt exactly haste since they cant attack there are plenty of abilities that benefit from this
The mix of disruption and relentless card advantage makes this one of the scariest choices at competitive tables