The Agent

Shroud
At the beginning of your upkeep lose 2 life.
Whenever The Agent exiles a creature gain 7 life.
{t} Put a training counter on
The Agent and lose 2 life.
{t}Select 4 creatures including The Agent.
Divide the creatures into two equal piles.
Each pair of creatures fight each other.
If The Agent is not destroyed this way, exile the remaining creature.