Ekalavya, Dedicated Student

Whenever Ekalavya, Dedicated Student attacks or blocks, add X {r} mana where X is one plus the
number of +1/+1 counters on Ekalavya. If that
mana was used to cast an instant or sorcery spell,
put two +1/+1 counters on Ekalavya.
Whenever Ekalavya is dealt noncombat damage,
put a -1/-1 counter on it.