Meister, Roulette Player

Indestructible
{t} Each player flips a coin, if they lose the flip they take 20 damage, if they win the flip they investigate. If this ability is activated for the sixth time Meister loses this ability and instead gains: {1} Each player sacrifices a creature.
"Ha ha ha. Don't sweat the details. I'm the master of the room. You can call me Meister." - Meister