Yellow Scarves Cavalry [Portal Three Kingdoms] Arena League 2004 At the beginning of your

At the beginning of your precombat main phase

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {1}{U}{U} Buyback {3} (You may pay an additional {3} as you cast this spell

Set: Alara Reborn Promos Type: Creature — Dragon Rarity: Mythic Cost: {2}{R}{R}{R}{G} Flying

Set: Kaladesh Prerelease Promos Type: Artifact Creature — Construct Rarity: Mythic Cost: {4}{B}{B} Menace

If it's greater

Yellow Scarves Cavalry [Portal Three Kingdoms] Arena League 2004 At the beginning of yourSet: Portal Three Kingdoms Type: Creature Human Soldier Rarity: Common Cost: {1}{R} Horsemanship (This creature can't be blocked except by creatures with horsemanship.) Yellow Scarves Cavalry can't block.