tarkir set booster box Magic the Gathering Tarkir: Dragonstorm Collector You could also open one of 500 Serialized headliner cards Tarkir: Dragonstorm Collector Booster Pack

While it's not quite as rare as Pikachu Illustrator, Trainer No

Promo Info theme booster DIGITAL HAZARD [EX-02] CLOSECLOSE EX2-058 U Tamer Jeri Kato Color Blue Form - Attribute - Type - DP - Cost 4 Digivolve Cost 1 - Digivolve Cost 2 - Upper Text [On Play] You may play 1 [Leomon] from your hand without paying its memory cost.[Opponent's Turn] When an opponent's Digimon attacks, you may suspend this Tamer to Draw 1

Eaten Alive + Bone Shards There are many cards like Eaten Alive and Bone Shards, so lets highlight them and you can decide which of these kinds of cards fits your flavor

This card plays on the 'Dragon Gate' myththat a Carp leaping over the Dragon Gate becomes a Dragon (Gyarados)

Non-Effect monsters are Ritual monsters or Extra Deck monsters that do not have an effect, such as Magician of Black Chaos , Blue-Eyes Ultimate Dragon , or Gem-Knight Pearl

The odds have varied and there are exceptions (dont @ me) but very roughly about 1 in 45 to 1 in 100 total cards distributed in Magic booster packs will be a foil replacing a regular card