Ten Stonehearts Aventurine

Haste, defender
{p/w}{p/w}{t}: ({p/w} can be paid with either {w} or 2
life.). Put a shield counter on target creature
you control.
Whenever a shield counter is removed from a creature you control, roll 2d6 and Ten Stonehearts Aventurine deals damage to target attacking creature equal to the result.