My Little Pony Friendship Is Magic #43 1 for 10 Incentive

(W) Thom Zahler (A) Tony Fleecs (CA) Mary Bellamy. Ponies of Dark Water Part 1 The Ponies go on an adventure to a newly erupted geyser. After some fun playing in the water, the ponies begin to act a bit strange, perhaps even... sinister? What happens when good ponies turn bad?