yugioh entity deck Outer Azathot 1 Synchro Monster + 1 Xyz Monster Must be Special Summoned (from your Extra Deck) by sending the above cards you control to the GY yugioh outer entity deck Archetype

However, it cannot be considered as a inferiority of Cyber Dragon and its subspecies just because it requires a card cost

Then when it gets +1/+1 counters, you get more mana, which you can chain into the activated ability

45% chance in the Mystery Box (L)

Just wanted to point that out because its been miscalled pretty often

For a full digital implementation, see the MagicArena Embalm rules

As an example, Emchompite says that cards that were included within Japanese sets, like the Secret Rare Yveltal EX from Best of XY, but as promos in English, are usually more expensive in Japanese just due to the nature of their release (i.e., having to pull the card from a pack vs a guaranteed promo card in a product)