Halaron, Sanctioned Blade

Vigilance, menace

When Halaron enter play you may exile target
creature an opponent controls. If you do, that
creature's owner creates X 2/2 white and black
Thrall creature tokens with menace and 'When
this creature dies, its controller loses 2 life', where
X is the lesser of four and that creature's mana
value.

Evoke {1}{w}{w}{b}