Lord Kavu

Other Kavus you control get +2/+2.
Kavu spells you cast cost {r}{g} less to cast.
This effect reduces only the amount of colored
mana you pay. (For example, if you cast a Kavu
spell with mana cost {1}{r}{g}, it costs {1} to cast.)

''They keep staying under the surface ,waiting to rise
from it and maybe join our army.''
-Karn, Rise Of New Phyrexia.