The black Forest

{t} add {c} to your manapool.
{t}{3} search your library for either Punishing bird, Judgment bird or Big bird, draw one of them,
then shuffle your library.
{t}{3}{b}{b}{b}, if Punishing bird, Judgment Bird
and Big bird are on the battlefield transform.
"Then, in the middle of all the chaotic cries, someone shouted: 'It's the monster! Big, terrible monster lives in the dark, black forest!'"