Assault Catapult

When Assault Catapult enters the battlefield,
choose a player. That player is now under siege.
(That player create a Siege emblem with: "At the beginning of your upkeep, sacrifice a Food or lose
2 life." and "{4}, sacrifice this emblem: Target
opponent draw a card.")
{3},{t} : Assault Catapult deal 2 damage to the
chosen player. Activate this ability only if that
player is under siege.