I have to assume this was a major goal of this collaboration, especially considering that I've added numerous Final Fantasy titles to my Steam wishlist in anticipation of them going on sale
The first version was the extended art, and this is the showcase version, which will add about $15 to the price tag
Then you can tap five Merfolk to put a +1/+1 counter on all of your Merfolk
For instance, a spell with cooldown goes to the reserve exhausted, so it cant be played again until the next turn, giving it more of a lasting impact on the game than a card with fleeting (which can only ever be played once) but avoiding the swings that could happen by playing the same card twice on the same turn
Since September 2013, the OCG and TCG have had different banlists, with multiple cards being Forbidden in one list but Unlimited in the other (in both directions)