Spectrum Sentinel is a uncommon Artifact Creature — Soldier card from Magic: The Gathering (The Brothers' War, BRO). Current market price: $0.38.
Uncommon
The Brothers' War (BRO)
{1}
Power / Toughness
1 / 2
Mana Value
1
Card Text
Protection from multicolored (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything multicolored.)
Whenever a nonbasic land an opponent controls enters, you gain 1 life.
