Colt, Retribution's Shield

Vigilance, Flying
If a source would deal damage to another target creature, redirect the damage to Colt
{1}{t}: Put a +1/+1 counter on this creature
{g/w}{g/w}{t}: Search library for basic land card, put
it on the battlefield then shuffle your library
—
A silent promise, etched in shadow and steel:
'No one's going to die, not now, not ever again'