Gojo Satoru, The Honored One

Ward Infinity, Vigilance, Trample, Menace
Prevent all damage that would be dealt to Gojo,
and/or by creatures blocked by or blocking Gojo
{t}: Whenever Gojo deals damage to a creature
this turn, tap it and put that many stun counters
on it, if Gojo deals damage to a player this turn,
that player exiles the top {x} cards of their library,
where {x} is 6 times the damage dealt.