To go with the Showcase treatments, we get what were used to: Borderless cards with different art than their original card (5 uncommon dragons, one rare dragon, and eleven mythic dragons/planeswalkers) and Extended-Art cards (30 rares, seven mythics) to round out the set
Whether its couples, teammates, or a pet and owner, Partner With serves a flavorful purpose that a generic partner does not
The most valuable run of Pokmon TCG Base Set cards is the 1st Edition
The two will likely be linked in the format, making cameos in each others decks and I think the existence of one makes the other better
As long as it stays on the battlefield both before and after its turned face up, it won't cause any enters-the-battlefield abilities to trigger