Mortis

This spell can't be countered.
Hexproof, Vigilance, Reach, Lifelink, First Strike,
Indestructible, Annihilator 3
Whenever Mortis attacks, defending opponent
discards 3 cards.
{10}: Mortis loses indestructible until end of turn.
Only an opponent may activate this ability.
If Mortis dies or is removed from the game,
instead put it 10 cards from the top of your
library.