Jaramos, Giant Killer

When Jaramos enters the battlefield, make a 0/1
green sheep token.
Whenever a creature with toughness 8 or higher
enters the battlefield, you may sacrifice a sheep.
If you do, you gain 4 life.
{w}{w}{t}:Exile target creature with toughness 8 or
higher. Only use this ability if you control a sheep
token.