The Infinity Gauntlet

{w}{u}{b}{r}{g}{c},{t}, Tap 6 Infinity Stone artifacts you control, Tap a creature you control: Sacrifice The Infinity Gauntlet,
place 5 -1/-1 counters on the creature you tapped as part of this ability, target opponent
sacrifices all their creatures and loses half
their life.
"The hardest choices require the strongest wills."
-The Mad Titan