The two ink combinations are Emerald & Ruby and Amber & Sapphire
Pokmon Elite Trainer boxes typically include 9 packs from the set and include a promo card, featuring special artwork of one of the featured Pokemon from that trading card expansion
Once you actually read the card, read it again, and realize what it does, it's actually very simple: X needs to add up to the toughness of the two creatures you want to kill
Players who already use Tenyi in Master Duel will find that Swordsoul makes a perfect union with their deck, and any synchro fan should give the Swordsoul/Tenyi deck a try
I recently added a Pawmot ex from Obsidian Flames to my collection, and its been graded at a fantastic 9.5 Mint+
Satoru Umezawa can give it cost reduction in the form of a ninjutsu ability, and ninjutsu timing lets Armaggon become an infiltration specialist that incapacitates key blockers