Mrs. Puff, Boating Instructor

At the beginning of combat on your turn, choose
target nonland permanent you control. Until end
of turn, it becomes a Vehicle artifact with base
power and toughness each equal to its mana value,
and it gains crew 2 and “Crash Land — Whenever
this Vehicle deals damage, roll a six-sided die. If the
result is equal to this Vehicle’s mana value, it deals
that much damage to any target sacrifice this
Vehicle.”

"Oh Spongebob, Why?"