Doesn't look like a regular shield does it? Well it's a special shield for the giant chocolate pony. The card's info says:
When a face-up "My Giant Chocolate Pony" you control is targeted by an opponent's card effect: Negate the activation, and if you do, destroy it.
1 year, 6 months ago
11 May 2017 20:11 CEST
Full Size: 978054a32d5349a16c72ffc9bcbb528d