Four coins, and the only usable Ethereum door.
Anubis takes four coins, the widest spread on any Tor market, and each has a job.
Monero is the privacy default, the coin to use when you do not want the payment legible on a public ledger. Bitcoin covers vendors who have not switched. Litecoin handles small orders where Bitcoin fees would be out of proportion. Ethereum covers the specific case where that is what you hold and converting first is friction you would rather skip.
Ethereum's chain is as public as Bitcoin's, so paying in it buys convenience, not privacy. If the reason you are here is to keep the payment private, the answer circles back to Monero. Deposit addresses are issued fresh per order across all four coins.