In this case, you can return a land card from your graveyard to your hand, deal one damage to any target and give yourself the ability to recast instants and sorceries in your graveyard
5 mana is still a lot to ask for the privilege of playing a second copy of Cabal Coffers in your deck, especially when you have to wait a turn in order to use it, but the amount of mana you can get if it survives will fuel some very explosive spells and turns
As is, I dont see why the price is as high as it is and Id be shocked if this held above $5, never mind $10
Green and white have access to mass protection like Teferi's Protection and Heroic Intervention, letting you even protect yourself from these threats
Its a decently rated creature, but its the artifact and enchantment removal that makes this a prime inclusion for mono-white Death & Taxes Legacy decks
Thats right, no 6 mana or less stipulation, no putting them on top or in your hand, just tutor up your winning board state and put it into play