The Siege of Castle Lom

I: Create 3 1/1 white Soldier creature tokens.
Each opponent creates a 0/4 colorless Wall
artifact creature token with Defender.
II: Create 3 2/2 white Knight creature tokens.
Until end of turn, creatures your opponents
control can each block an additional creature.
III: Destroy target creature your opponent
controls. If that creature was legendary, gain
control of target land your opponent controls.