2B, Android Defender

{1}Forcefield; Grant all friendly creatures +0/+2
{1}If toughness is below 4, Heal 2B, Android
Defender until toughness is 4
{3}Self Destruct; Deal 8 damage to all creatures, including 2B, Android Defender
I often think about the god who blessed us with this
cryptic puzzle...and wonder if we'll ever get
the chance to kill him.