Ornithopter [Kaladesh Inventions] Instant {T}: Counter target activated ability

{T}: Counter target activated ability from an artifact source unless that ability's controller pays {W}

tap Yawgmoth Demon and it deals 2 damage to you

Set: Eternal Masters Type: Sorcery Rarity: Rare Cost: {X}{G} Search your library for a green creature card with mana value X or less

Whenever a creature an opponent controls with a -1/-1 counter on it dies

and up to one without

Ornithopter [Kaladesh Inventions] Instant {T}: Counter target activated abilitySet: Kaladesh Inventions Type: Artifact Creature Thopter Rarity: Mythic Cost: {0} Flying "Consider all confiscated items hostile until proven otherwise." Confiscation directive