Krosan Warchief [Scourge] Plane Whenever a Dragon you control

Whenever a Dragon you control attacks

Set: Portal Three Kingdoms Type: Creature — Human Soldier Rarity: Common Cost: {2}{W} Horsemanship (This creature can't be blocked except by creatures with horsemanship

Set: Dominaria Prerelease Promos Type: Legendary Creature — Human Artificer Rarity: Mythic Cost: {2}{U}{R} Whenever you cast a historic spell

"A great warrior studies many different disciplines and takes the best from each

Set: Kaladesh Prerelease Promos Type: Artifact Rarity: Rare Cost: {4} Whenever you cast a spell

Krosan Warchief [Scourge] Plane Whenever a Dragon you controlSet: Scourge Type: Creature Beast Rarity: Uncommon Cost: {2}{G} Beast spells you cast cost {1} less to cast. {1}{G}: Regenerate target Beast. It turns prey into predator.