Tortured Existence is a one-cost enchantment (so it stays on the board once played), then you can pay one mana and discard a chosen creature card to return a creature from your graveyard to your hand
There are: Sol Ring (Human): 9,000 Sol Ring (Dwarven): 7,000 Sol Ring (Elven): 3,000 Sol Ring (Double Rainbow Foil, Human): 900 Sol Ring (Double Rainbow Foil, Dwarven): 700 Sol Ring (Double Rainbow Foil, Elven): 300 The Elven, Dwarven, and Human rings all feature different art related to their respective tribe by artists Randy Gallegos, Erikas Perl, and Anastasia Balakchina respectively
You also cant overthink them when youre just an insane goblin rushing against the well-trained Boros forces with no smart tricks to back you up
Perhaps the biggest surprise with this card is that it continues to bounce up and down in value, from as low as three dollars to as high as roughly $5.50