If a2-89-rampardos knocks out a Pokemon, it will deal 50 damage to itself, putting it in a vulnerable spot to the opponent's upcoming turn
They work differently to other cards and act more passively to gain lore or give abilities
If this spell was kicked, put those cards onto the battlefield instead of putting them into your hand
Sure you are attacking with those tokens, no question there, but if opponents want to remove them, block them, or leave them unblocked, it results in cards drawn or life lost
Whilst past IP crossover sets have been restricted to Secret Lair drops - which are limited edition sets of cards that players can only get their hands on for a brief period of time and often feature special alternative artwork unique to that set in the Universes Beyond series, the Transformers cards will be released as part of the larger expansion The Brothers War Expansion
For raw cards (cards that are not graded) your best resource is going to be TCGPlayer