Spirit Guide

Indestructible, Untouchable. Spirit Guide
Enters with X +1/+1 Counters on it.
{3}: Put a +1/+1 Counter on Spirit Guide.
{t}, Remove a +1/+1 Counter:
Counter Target Spell that Targets You.
"First Conceived on the Mental Plane, then Felt,
eventually Manifested." -Amun-Ra