Since Keruga, the Macrosage doesn't do anything after its enter-the-battlefield effect triggers, you should wait to cast it until you have a battlefield of permanent with a mana value of three or more to make sure the effect will do something impactful
6 Mad Hatter, Gracious Host The Mad Hatter, Gracious Host isnt guaranteed card draw, but odds are pretty good that your opponent will want to take it out quickly, getting you at least one card but likely two or three before its banished
As an all-gold set, all the commons had to be two-color cards
Does Flair expire after a certain time
Theres been no shortage of discussion about how to get the most mileage out of Serra Paragon, but my personal favorites have been playing it alongside Sword of Forge and Frontier as a way to play an extra land out of my graveyard in the post-combat main phase or as a way to reuse valuable lands such as Wasteland that sacrifice themselves to activate abilities
(Also, don't make the pizzas pictured on the cards