pokemon card pack order Pokemon: 100 Assorted Bundle - with Foils and 5 Ultra Rare (V, GX, EX) Variety in the Pokémon TCG Pokemon Japanese Shiny Treasure ex

Hardened Scales at its core is a deck based around putting +1/+1 counters on artifact creatures, and using the synergy between them to assemble either a game-winning combo (large Walking Ballista/Inkmoth Nexus) or an insurmountable boardstate (big Patchwork Automaton backed up with Welding Jar/a high amount of 1/1 Thopters that can all be made into lethal threats)

The more spells you cast, the bigger of a creature you get at the end

If a spell you cast has in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost

It is also a less common type itself and can assist with enchantment synergies, devotion synergies, delirium synergies and likely some more I forget