Starro, The World Consumer

X Strike.
Starro, the World Consumer enters the battlefield with 4 +1/+1 counters.
Starro, the World Consumer gains a +1/+1 counter whenever a card enters the graveyard.
Starro, the World Consumer gains a Strike counter, 5 Strike counters equal to X.
{t}Surveil or Scry Y, where Y is the amount of
+1/+1 counters on Starro the World Consumer.