Chorus of the Conclave

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)
As an additional cost to cast creature spells, you may pay any amount of mana. If you do, that creature enters with that many additional +1/+1 counters on it.

Cruza bosques.
Como coste adicional para lanzar cada hechizo de criatura, puedes pagar cualquier cantidad de maná. Si lo haces, esa criatura entra al campo de batalla con esa cantidad de contadores +1/+1 adicionales sobre ella.