Zacara the grate shiftier

{3}{g} target creature gets +2/+2, +1/+3 or +3/+1
{3}{b} target creature gets -2/-2, -1/-3 or -3/-1
{t}{5}{g}{b} search your library for 3 cards give
these card bestow {2}{g}{b} if these card are a
sorcery or an instant they become enchantment
aura with {t}{2}{g}{b} trigger {x} were {x} is the
chosen cards ability this enchantment cost {0}.