You get an emblem with "You have no maximum hand size." In some rare cases, a spell or ability may cause Tamiyo, Inquisitive Student to transform while she's a creature (front face up) on the battlefield
There are many other Pokmon types that can be combined with Dragon-types as well, making for many combinations
That reign ends today, as Oko is banned in standard play in paper form and in Magic: Arena
The standard Pokmon card dimensions are: Width: 2.5 inches (63 mm) Height: 3.5 inches (88 mm) Thickness: Approximately 35pt Thickness in inches: 0.01 inches Thickness in millimetres: 0.35 mm Because these dimensions are used throughout the Pokmon Trading Card Game, collectors can confidently buy standard sleeves, top loaders, binders, deck boxes, and other storage solutions without worrying about compatibility
Palkia V SA Scenario If you open 4 boxes (~$368 total), statistical expectation is roughly 1 SA pull
More often than not though it is prefered that you search or special summon them from the deck, thus making less copies ideal