You have access to a host of Wizards to double damage from, including Black Waltz No
It sees a solid amount of play in the G/W decks that exist along with some builds of G/R, so I dont think the price is going to fall any time soon
Based on all of the MTG Final Fantasy spoilers so far, it seems like Chocobo decks will be the ones to beat
Dull them. You should have no problems dulling two to three characters, plus you can count cards that were removed from the game, so even if the card was removed out of your Break Zone by, say, Mist Dragon [9-068H], there wont be any issues
The card comes with a 1/1 flying Thopter which can be sacrificed for a new card, or you can give it +2/+0 and start bashing
: This creature gets +1/+1 until end of turn