5 and will cost $100 for the set of three playmats
If you can, then this green instant has an incredible ratio of life gained to mana spent
Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.) Vehicles appearing in this set function the largely the same way that Vehicles from other sets do, but there are a couple of minor changes: Previously, a Vehicle that had become a creature was able to be tapped for its own crew ability
I think nine times out of ten, a go-wide player running out Biorhythm will have exactly the same result as a go-wide player dropping a Craterhoof
See, if all of your creatures are so good, opponents have to kill them, theres a good chance theyll eventually run out of removal
It even functions with split cards like Commit / Memory, dealing damage equal to the combined mana value