Z.E.R.O System

At the beginning of your upkeep, pay {2} or
sacrifice Z.E.R.O System.
At the beginning of combat, if you control either
Z.E.R.O, Wings of Truth and/or E.P.Y.O.N,
Wings of Darkness and they are a creature, they
get +4/+0 and have trample and menace.
{4}: Vehicles you control are indestructible until
end of turn.