Treya and Volka, Half blood

protection from Elfs and Humans
While Treya and Volka is tapped it has +2/+0,
deathtouch and whenever you tap an elf for
mana Treya and Volka deals 1 damage to target
creature
While Treya and Volka is untapped it has +0/+2
and whenever you attack with a human Treya and
Volka deals 1 damage to each non-elf creature