The classic here is the Vineyard from Tempest that gave everyone two Green mana, and then it was played in Standard since mana burn was a thing to kill those who couldn't use it
When it came to referencing this much-shared Sauron moment from the comics, Falcons said, "It's one of my favorite Marvel memes
Personally I like the HGSS one the most bulbapedia.bulbagarden.net/wiki/Fisherman_(Skyridge_125) 1 Like azulryu December 20, 2020, 10:06pm 6 cuboneismetal: Llyrwenne: Ancient Origins Gyarados immediately comes to mind
On top of that, it synergizes exceptionally well with Ninja of the Deep Hours, as it packs evasion, and since you can return it to your hand, you can keep scrying multiple times throughout the game
Haunted Deads last ability can only be activated while its in your graveyard