pokemon cards white and black New Rare coming to Pokémon TCG this premium lineup provides the competitive edge and collectible quality discerning players demand. Unova Heavy Hitters Premium Collection

According to official details, Mega Lucario ex will be a Stage 1 Pokmon with a massive 340 HP pool, rivaling some of the bulkiest Stage 2 Pokmon ex cards

Slime Against Humanity Lots of fun and funny things you can do with Slime Against Humanity

Bandai says that it was released in September 1996 (It was also said that there was no exact release date left.) In summary The answer of title, Pokemon cards printed earliest is the Pokemon card released before Sep 1996

Well, you rely on tried and tested win conditions

A red staple, a 1-mana combat trick that grants first strike and +1/+0, but this time it's in the form of an Aura