Atarka's Command sees no play anymore, so the only way to kill Mare without triggering her is via prowess triggers on Monastery Swiftspear
With MTG having brought in so many new players and an awful lot of mainstream attention, thanks to sets such as Lord of the Rings, Doctor Who and Fallout, amongst others, in the last year or so, publishers Wizards of the Coast have made it easier than its been for a long time to actually pick up a single type of booster pack and play, or collect, the way you want to
Whenever a creature you control deals combat damage to an opponent, draw a card
Then look at the branching effects of Bruvac the Grandiloquent and how it just might make the mill archetype viable in Commander
Ive seen a Human Sol Ring (Serialized out of 900) sell for $1,000 and an Elven Sol Ring (Serialized out of 300) sell for over $4,000 just in the last month