The Last Bastion

Reach, Vigilance
{0}: This Creature loses Reach then gains Defender and +3/+1 until end of turn. This may only be activated once during an opponents turn.
{1}: Prevent one damage to "The Last Bastion" from any source. You may use this up to three times per turn.
"Bastion model E54 detected. All models subject to termination." - Orisa's analysis of Bastion.