Manglehorn [Mystery Booster] Rowan The kor track hartebeests in

The kor track hartebeests in hopes of finding magic to help fight the Eldrazi

Set: Kaladesh Type: Artifact Creature — Thopter Rarity: Uncommon Cost: {4} Flying

Set: Urza's Saga Type: Enchantment Rarity: Uncommon Cost: {U} When an opponent casts a spell

Set: Magic 2012 Type: Artifact Rarity: Rare Cost: {2} {1}

I'd have remembered

Manglehorn [Mystery Booster] Rowan The kor track hartebeests inSet: Mystery Booster Type: Creature Beast Rarity: Uncommon Cost: {2}{G} When Manglehorn enters the battlefield, you may destroy target artifact. Artifacts your opponents control enter the battlefield tapped. "Rely too much on your weapons and watch your dreams shatter in your hands." Rhonas, god of strength