Google Plexitron Positive

+1: Put a +1/+1 counter on each creature your opponent controls, and then put a +1/+1 counter on up to 2 creatures you control.
+3: Put 3 +1/+1 counters on target creature your opponent controls, and put 2 +1/+1 counters on target creature you control.
-10: Put X +1/+1 counters on each creature on the battlefield, where X is that creature's collector number.