Haela, The Cruel Reality

When Haela, The Cruel Reality enters the battlefield, move all +1/+1 counters from all
creatures on the battlefield to her.
First Strike, Trample, Vigilance
When Haela, The Cruel Reality attacks, you may remove X +1/+1 counters from her. All creatures controlled by the player Haela is attacking get
-X/-X until end of turn.