Power Stone

Equip Infinity Gauntlet {3}
Equipped Infinity Gauntlet has "Equipped planeswalker has 'Add one loyalty counter: This planeswalker deals three damage to any target.'"
"The stone reacts to anything organic, the bigger the
target, the bigger the power surge."
"All Ronan has to do is touch the stone to the planet's surface and zap, all plants, animals, Nova Corps..."
"Everything will die."
-Gamora and Star-Lord