Lethal Throwdown
Sorcery
As an additional cost to cast this spell, sacrifice a creature or sacrifice a modified creature. (Equipment, Auras you control, and counters are modifications.)
Destroy target creature or planeswalker. If the modified creature was sacrificed, draw a card.
Aaron J. Riley
Modern Horizons 3 (MH3)
• #99Rulings
A creature with a counter on it is considered modified no matter what kind of counter it is or which player put it on that creature.
(wotc • 2024-06-07)
A creature that is equipped is considered modified no matter who controls the Equipment that's attached to it.
(wotc • 2024-06-07)
An Aura controlled by another player does not cause a creature you control to be modified.
(wotc • 2024-06-07)
Rulings
A creature with a counter on it is considered modified no matter what kind of counter it is or which player put it on that creature.
(wotc • 2024-06-07)
A creature that is equipped is considered modified no matter who controls the Equipment that's attached to it.
(wotc • 2024-06-07)
An Aura controlled by another player does not cause a creature you control to be modified.
(wotc • 2024-06-07)