Hydra, the Preacher

menace 4 (four creatures needed to block)
Add 10 imprison counters to Hydra when he enters the battlefield
{t} another creature you control put a stun counter on that creature: Remove a imprison counter from Hydra
When Hydra has no imprison counters remaining he gains the following abilities:
{t}: Take Control of target creature
When this creature would deal damage to a player deal 4 times that much damage instead