Black Lotus and the rest of the Power Nine were only printed for the early Alpha, Beta and Unlimited sets right at the very beginning of Magic: The Gatherings inception
Save a You Came Back (or two) until Ariel is in play, and watch your opponent panic when you go from 5 to 20 lore in a single turn.
It's worth noting that you will need to present a critical mass of counters using cards like Hardened Scales, Verdurous Gearhulk, The Ozolith, and Walking Ballista
Once the Battle card has been defeated meaning that all of its defense counters have been removed the card is exiled and the reverse side is cast
Spell mastery is a fine mechanic, and given the number of turns and spells which get played in a normal Commander game, youre likely to have it turned on for a good portion of it
Dragon Shield doesnt give you the option to do edge-to-edge art, likely because of concern about chipping and errors in the manufacturing process