Enchantment — Aura

Exoskeletal Armor

Exoskeletal Armor trading card
Enchantment — Aura1 exact printing

Enchant creature Enchanted creature gets +X/+X, where X is the number of creature cards in all graveyards.

From Magic: The Gathering.

Exact printings

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6oo95rhr37pb1hggoiakem.