Oliphem

Indestructible, Trample, Reach
Prevent all damage dealt to Oliphem from non-legendary sources.
If Oliphem would be put into the graveyard from
play, instead put it on top of it's owner's library.
{4}{c}{c}: Monstrosity 6 (if this creature is not monstrous, put six +1/+1 counters on it and it becomes monstrous)
{t}: Oliphem deals damage equal to its power to
target creature or planeswalker.