ancient origins pokemon card set XY—Ancient Booster Pack featuring the Ancient Origins set Pokemon TCG XY-Ancient Origins Booster

The mana is a little unstable, in that there are only thirteen black sources and there are five lands that dont cast Steel Leaf Champion, but Glowspore Shaman and Llanowar Elves both help with casting Steel Leaf Champion and you dont strictly need black early

Plains 13

Ongoing Scheme Common Seb McKinnon null/null NOT LEGAL Standard NOT LEGAL Future NOT LEGAL Historic NOT LEGAL Timeless NOT LEGAL Gladiator NOT LEGAL Pioneer NOT LEGAL Explorer NOT LEGAL Modern NOT LEGAL Legacy NOT LEGAL Pauper NOT LEGAL Vintage NOT LEGAL Penny NOT LEGAL Commander NOT LEGAL Oathbreaker NOT LEGAL Standardbrawl NOT LEGAL Brawl NOT LEGAL Alchemy NOT LEGAL Pauper Commander NOT LEGAL Duel NOT LEGAL Oldschool NOT LEGAL Premodern NOT LEGAL Predh (An ongoing scheme remains face up until it's abandoned.) At the beginning of your end step, create a 3/3 black Horror creature token

Rinse and repeat, and you have a potent deck in your hands.

play as many cards designated as Trainer Cards from your hand as you like, but only one card designed as a Supporter Card

Apart from two booster packs, TPC has also announced a deluxe pack containing five boosters