Jon Grinsven, Speed Junkie

Jon Grinsven, Speed Junkie can only be played
from outside of the game.
When Jon Grinsven, Speed Junkie enters the battlefield, set a 5 minute timer.
If active player does not end their turn before the
timer ends, the active player loses 10 life.
If active player ends their turn before the timer
ends, remove this creature from the game.