Burning-Root Tunnel

{t}: Add {r} or {g}.
Pay 3 life, {t}: Target creature gains haste until
end of turn.
{4}, {t}: Target creature can't be blocked this turn.
"The burning-root cult had comuned in secret. Below
the grounds, warm as the devotion towards their god,
the Vrtanes sat surrounded by his maksas and
cocoon concubines."