Ozimandus

Whenever you cast an instant or sorcery spell, put a +1/+1 counter on Ozimandus and it deals 1 damage
to any target.

If Ozimandus has four or more +1/+1 counters on it,
it gains flying and menace.

If Ozimandus has ten or more +1/+1 counters on it,
it gains indestructible and becomes a Dragon in addition to its other types.