Arbok

Evolution from Ekans (As an additional cost to cast
this spell, you must sacrifice a basic creature named
Ekans. If the sacrificed creature had one or more
+1/+1 counters on it, put that many +1/+1 counters
on this creature.)

Toxic 2 (Players dealt combat damage by this
creature also get 2 poison counters.)

Intimidate — Attacking creatures your opponents
control get -1/-0.