Blue simply doesn't have much it can do to impact the board on turn one short of having the appropriate counterspell, which if you are on the draw can only be Mental Misstep
Its one of the few lands that also serve as sacrifice outlets, in this case letting you trade in any creature for a single point of life
This lets you lean into the incentivizing influences of your political gameplanthat opponent might really need that extra mana, but do they need it badly enough to vote with you on Expropriate
Brushwaggs I have no idea what a Brushwagg is supposed to be, but its a funny-looking creature that WotC has recently revisited with Almighty Brushwagg and Interplanar Brushwagg
Sauron, the Necromancer is one of two Sauron cards in Tales of Middle-earth that makes great use of the graveyard, rewarding the player for using discard effects, self-mill, and the like to stock up their graveyard with powerful creatures with relevant abilities
The card is particularly good to find with Emergent Ultimatum