Archon of Absolution is a uncommon Creature — Archon card from The List (PLST), collector number ELD-3. Current market price: $0.17, TCGplayer market prices via Scryfall.
Flying Protection from white (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything white.) Creatures can't attack you or planeswalkers you control unless their controller pays {1} for each of those creatures.