Dauthi Voidwalker (Retro Foil Etched) [Modern Horizons 2] Rise of the Eldrazi Prerelease Promos Set: Commander 2011 Type: Instant

Set: Commander 2011 Type: Instant Rarity: Rare Cost: {U} Counter target instant or sorcery spell unless its controller pays {1}

Set: World Championship Decks 1997 Type: Artifact Rarity: Common Cost: {2} {T}: Add {C}

except they're 3/3 Dragon creatures in addition to their other types

Set: Alpha Edition Type: Creature — Imp Rarity: Uncommon Cost: {2}{B} {T}: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn

But the Ants seemed to disagree

Dauthi Voidwalker (Retro Foil Etched) [Modern Horizons 2] Rise of the Eldrazi Prerelease Promos Set: Commander 2011 Type: InstantSet: Modern Horizons 2 Type: Creature Dauthi Rogue Rarity: Rare Cost: {B}{B} Shadow If a card would be put into an opponent's graveyard from anywhere, instead exile it with a void counter on it. {T}, Sacrifice Dauthi Voidwalker: Choose an exiled card an opponent owns with a void counter on it. You may play it this turn without paying its mana cost.