Each land makes just one colourless mana at first, but when all three are on the field, they spit out two mana from the mine and power plant and three mana from the tower, giving you seven mana from just three lands
It also gets shuffled into your library if it ends up in your graveyard at any point
Alright, everyone, I'm getting on my soap box to shout a somewhat warm take: I don't think Magic: The Gathering should have any land cards at Rare
Removed CR17 Speeder Bike
Since Savanti puts counters on itself, proliferate cards like Staff of Compleation and Vraska, Betrayal's Sting jumpstart the card draw engine
Box-by-box summary Case-break boxes (25) were tallied at speed during a live opening, so their legendary and epic counts are approximate