pokemon cards etb TCG: Mega Evolution Elite Trainer Box – AllPokeTCG First partners Meowscarada ex Pokemon TCG Elite Trainer Box

Physical cards were likely used to show potential toy market buyers & store chains of the potential

Jolteon Gold Star EX Power Keepers (PK) Energetic and sharply styled, Jolteon boasts the lowest PSA 10 population among the Power Keepers Eeveelutions

My .02 is just a quick take

Cube is the only format where the designer has complete control over the card pool, up to and including cards that arent powerful enough to be impactful in other formats

(If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) Creature - Dragon The Kami War (As this Saga enters and after your draw step, add a lore counter.) I Exile target nonland permanent an opponent controls

While this card sadly doesnt ping whenever a creature enters on your side of the battlefield, getting this trigger on casts is nearly as good, and it will surely aid you in filling up your hand with more threats so you can employ all that mana, which Elves are so good at producing