Sentry is a MARVEL SNAP card that costs 4 energy and has 10 power. It has the effect: "You can't play this at the right location.
On Reveal: Add a -10 Power Void to the right location."
It has variants that are part of the Kim Jacinto, Void Merged, Luchador, Winter Vacation and Pixel categories.
Sentry has synergy with The Hood, Annihilus, Green Goblin, Jeff the Baby Land Shark and Hobgoblin.