Negate all Trap effects on the field
It messes with utility creatures and forces opponents to tap their mana dorks and other activated abilities before their combat step if they dont want to toss them into the fray
You can target 4 Fusion, Synchro, Xyz, and/or Link Monsters in the GYs
So far in 2020, we've been averaging about one per month (and if you go back to the initial release in December, we've actually had 13 individual drops in three months, making the average closer to four drops per month since the series was announced), although the average is somewhat complicated by how you count themes that come with multiple drops, like the original Theros Gods during Worlds in February (technically, the Gods were five individual but related drops, although there is an argument for counting them as one big drop since buying all of the drops together was an option)
Airbend : allows players to exile permanents, which can all be played from exile for a fixed mana cost of 2 generic
But TCGplayer exposes your inventory to a massive net of potential buyers, making it an exception platform for selling sealed product or high-end collectibles