Inevitable Demise

Choose two:
• Destroy target creature with mana value X or
less, then put X +1/+1 counters on target creature
• Destroy target planeswalker with mana value X
or less, then put X loyalty counters on target planeswalker
• Target opponent mills twice X cards and you
draw X cards
{bull} Target player loses X life and you gain X life
{bull} End the turn