The new emerald cards coming in Into the Inklands are certainly not straying far from this particular strategic approach, with players expected to have a tricky time dealing with anyone playing with emerald cards
And Emerald is starved for any sort of card draw, even one that only keeps you even in card advantage, so it probably will see play, in the end
Make sure you also check out the Shimmering Skies Card List for a list of all 223 cards
With some healing, or maybe by giving him Resist, he could take out an entire board by himself
"Reckless" doesn't remove bodies on its own
Oh, by the way, it was confirmed with Steve Warner that it is current lore on the character, so bonuses from Belle - Strange but Special, Tamatoa - So Shiny!, or Alice - Growing Girl occur for the Dime's ability (although if you get Alice's Lore bonus, are you not winning already?)