We're really excited to be able to use Historic in a way that gives it its own identity as a format, Parker says, explaining that hes glad its now able to leverage the unique position it occupies
Bloodgift Demon is just an extra Phyrexian Arena, which is pretty great
Dragonair does not have an Ability but it does have two moves
While it can still deal damage the same way its purely Goblin counterpart can, it can also ramp out even bigger Eldrazi thanks to the tokens it produces, 0/1 Eldrazi Spawn that can be sacrificed to produce a colorless mana
At only 2 mana to activate, Scrying Sheets makes for the perfect mana-sink to save for an opponent's endstep, right before you untap to reap the benefits of your newly-drawn Snow card
I think Sheldon is spot-on