Rayquaza EX (XY66) [XY: Black Star Promos] Commander's Arsenal Oversized but I didn't expect it

but I didn't expect it from the building itself

(You do no use "Polymerization")

Set: Hour of Devastation Type: Legendary Creature — Zombie Minotaur Warrior Rarity: Mythic Cost: {3}{R}{R} Afflict 3 (Whenever this creature becomes blocked

Set: Portal Three Kingdoms Type: Creature — Human Soldier Rarity: Uncommon Cost: {4}{U} Red Cliffs Armada can't attack unless defending player controls an Island

Set: Friday Night Magic 2002 Type: Creature — Spike Rarity: Rare Cost: {1}{G}{G} Spike Feeder enters the battlefield with two +1/+1 counters on it

Rayquaza EX (XY66) [XY: Black Star Promos] Commander's Arsenal Oversized but I didn't expect itSet: XY: Black Star Promos Type: Colorless Rarity: Promo Retreat cost: Colorless,Colorless