Tzeentch, Changer of Ways

Haste, Trample, First Strike, Indestructible, Lifelink, Hexproof, Protection from white
When Tzeentch, Changer of Ways enters the battlefield, you gain 10 warp counters.
{3}, Pay 3 warp counters : Counter target spell, or destroy target creature with converted mana cost
6 or less.
If Tzeentch, Changer of Ways would leave the battlefield, you lose 5 life and shuffle it into your library.