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)
Equip only as a sorcery.) Artifact - Equipment Color tag templates(None) Lightning Greaves Equipped creature has haste and shroud
Since the preview of Earl of Squirrel, the satirical members of the Commander community have been awaiting this course correction by Wizards
Richard and I had been brainstorming on ways to do two-state permanents
(Equipment, Auras you control, and counters are modifications.) The +1/+1 counters on Costume Closet won't affect it unless it somehow becomes a creature