When it dies, you can pay one mana to destroy all the things it has hexproof from, essentially wiping the board
They offer multiple benefits: three-color mana, basic land types, and a fallback plan when youre flooded with lands
Whether its Kayas Ghostform which also protects from exile removal or Spider Umbra which gives green the ability to do the same for just one mana its a strategy worth considering
Sauron, Lord of the Rings, Goblin Dark-Dwellers, Extract from Darkness, Reanimate, Summons of Saruman, Too Greedily, Too Deep, Treason of Isengard 7 graveyard recursion
The rest of the cards were probably garbage, but it was a thrill to buy some random repacks on the off chance of scoring a Black Lotus