Feast of the Entity

This spell costs {1} less to cast for each creature
on the battlefield.
Feast of the Entity deals 13 damage to each creature.
———{line}{line}{line}{line}{line}{line}{line}{line}{line}
"The Entity feasts on emotions of hope, fear,
rage, and bloodlust. These trials are more than
just games for its entertainment, they are buffets
of emotion."