A tech choice that has been performing very nicely is Bazoo The Soul-Eater
Ten stacks means that you can fit 4,370 cards in one of those boxes
For example, if you control The Ozolith ("Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith.") when Sin's last ability resolves, you'll put the appropriate number of each kind of counter onto both The Ozolith and the target creature
Im also not a huge fan of Surgical Extraction if you have no way of getting Krark-Clan Ironworks in a graveyard that isnt Natures Claim and then kill them on my next attack, as its largely a two-card combo then, but its worth a bit more examination
Joining Dragon-type Pokemon in the Black & White - Dragons Exalted expansion, which features more than 120 cards, are two versions of six different Pokemon-EX and a host of Pokemon from outside the Unova region like Mew, Ninetales, and Honchkrow