Me and my friends, Kold, Ender, Saw, and Wood started a minecraft world. We went 75 days in no trouble, until one day when only me, Saw, and Ender were on. I was in the Nether, Ender was mining, and Kold was tending to his sheep. Kold walks into his house and states, "Where did this lava come from? Who did it?" We were all still doing our things, so no one had a clue. We ignored it, but it happened again later. After the 4th time, we all met in his house. We fixed it by putting cobble where it was spawning, but then we heard creepers underneath us. We went down, and there was nothing, but it sounded as if many were there. Later, we were trying to find out who did it. As usual, I got banished to the nether for it because I am usually the culprit. I come back, and everything's back to normal. We were all doing our thing, when Kold noticed cobble next to my house. We broke it, to find a stack of iron ingots. Ender burned them, deeming them "unholy". We figured it was Saw who made the chest stash, because his recommended YouTube was Secret Bases under my friend's house videos. We talked to Saw and Wood, only to be surprised and reveal their real stash locations. We all got off except for Ender, as he was the VIP of the server. He goes mining, only to come back to his house on fire and his IP on a sign.
We deleted this world, and made a new one. The forest burst into flames, NO LAVA OR NETHER PORTAL OR LIGHTNING in sight. Then, Kold later claims an all-white skin with MY tag on it had flint and steel and did it.
Does anyone know what this is or what's causing it? We've concluded it is targeting Ender. Please help.