When it comes to old Pokmon cards, the shadowless editions of the cards are almost always guaranteed to increase the cost
Crippling Overspecialisation: On initial release, Mateo was infamously limited in his deckbuilding, with the grand total of two off-class cards enabled by it (both of which came with the same expansion)
Other decks to receive new tools or direct support include Artmage, Branded, Elfnote, Mitsurugi, Odion, Sky Striker, and more
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While each envelope could contain up to nine 1-point cards, there was no limit to how many envelopes an individual could send
(This is treated as a Synchro Summon.) If a Jurrac monster(s) you control would be destroyed by card effect, you can banish 1 Dinosaur monster from your GY instead