Crown Prince,The Alchemist

Wither (This deals damage to creatures in the
form of -1/-1 counters.)
Whenever you cast an instant or sorcery spell
that deals damage, you may pay {1}. If you do,
Crown Prince puts a -1/-1 counter on any target.
Stacked 2 (Whenever this creature gains 2 +1/+1 counters, it gains ward 2 and first strike.)
"His grenades leave more than just scars."