As for how the deck plays, it tends to set up early and do Simic things, dumping eight mana on the board before it really gets going
I think Id even be tempted to take Harvest Season over Cultivate nowadays
This does cost a ton of mana, however: six mana to cast Niv, minimum one mana to enchant him with Curiosity, and another minimum one mana to draw a card (Opt), for a total of eight mana minimum for a Curiosity Combo win
Baird, Steward of Argive Baird, Steward of Argive is half a Ghostly Prison attached to a body, which has advantages and downsides
So, with cards that give you the ability to draw and then discard one, or even when an opponent makes you discard a card, you just get to swing on people for, relatively, free
This is more akin to the high end art market, where a given item may only be available for sale through connections, or on rare occasions