Hallowed Shield

From Archon Arcana
Hallowed Shield • Sanctum • Artifact • Common • Action: Choose a creature. For the remainder of the turn, the chosen creature cannot be dealt damage. • Artist: Radial Studio • Card Number: AoA (218)

Hallowed Shield
Action: Choose a creature. For the remainder of the turn, the chosen creature cannot be dealt damage.
AoA 218

FFG Rulings

  • No. Protection effects like Hallowed Shield prevent damage before armor. Maruck still has 1 armor left after the fight.

    Source: Rulebook
I use my Hallowed Shield (AoA 218) to protect my Maruck the Marked (AoA 220) from damage and then I attack my opponent’s 3-power creature. Do I capture an Æember with Maruck’s ability?
No. Protection effects like Hallowed Shield prevent damage before armor. Maruck still has 1 armor left after the fight.

Source: Rulebook

Commentary

Effects may still attempt to deal damage to a creature that "cannot be dealt damage", but the targeted creature's ability will prevent that damage according to the first step of the Damage section of the Timing Chart.

Source: Timing Chart
If an ability says "Choose a creature," the Active Player may choose a Friendly or Enemy creature when resolving the effect.

Source: Rulebook