Mono artifacts were one that essentially had a tap symbol (although that wouldn't exist yetI'll get to that in a moment)
Frank's calculations assume the pre-london mulligan rule of going down 1 card each time you mulligan (no scry), not the Commander mulligan of one free mulligan at the start, so the % chance of hitting your lands is actually a little higher for us
My bread-and-butter over the past few years in the freelance writing field has been writing names and flavor text for Magic: the Gathering
Doubling Season will double the clues she produces while also doubling the counters she gains from sacrificing those tokens
This card is an inexpensive way to achieve this effect, leading to some simple, easy wins with cards like Thassa's Oracle, Laboratory Maniac, and Jace, Wielder of Mysteries
By sacrificing an artifact creature, which is simple in token-heavy builds, you get to search your deck for any noncreature artifact and put it right onto the battlefield