Mothership Core

Flying, Grounded, Shield 3, Energy 5
{e}{e}, {t} : Target Nexus you control can block
until your next turn and gains +3/+0
{e}{e}, {t} : Regenerate up to 3 target creatures.
Only activate if you control a Nexus
{e}{e}{e}, {t} : Until the beginning of your next
turn, halve all damage dealt, rounded down, by
up to 3 target creatures.
{9}, {t} : Transform Mothership Core into
Mothership.