As opposed to something more beatdown oriented? I did eventually find two different builds that Top 8'ed like back in 99 or 00 or something, one was Kai's Rebels and one was Counter-Rebel. I didn't much care for Kai's take on the deck because it seemed easy to predict, less resilient.
If I understand Power Sink correctly, it basically says "either you tap out for that spell or I counter it and Mana Short you" yes? Sounds good, especially with Ancient Tomb as a bolster. Too bad this deck has a crazy aversion to having UU on the second turn, otherwise I'd just run Counterspell.
Oh yeah, just realized I posted a 62-card decklist.

Should be 2 Lotus Petals.
I'm also starting to rethink the number of Whipcorders. They're good played facedown under a Plague but they break the chain. They're also the only 4-of that I have with WW in the cost. (they did, however, assist in random tech play of the day, when kid across from me lays down Horobi, Death's Wail in his spirit deck. tapping to swords guys is bloody hilarious.)