This doesn't mean the game won't expand on each color combination's identity in future sets, as MTG has done in over 30 years, but Archazia's Island may not move the needle in terms of meta decks if it doesn't create new color identities
In Throne of Eldraine , each creature with an adventure ability got the showcase treatment
SR Super Rare Emissary of the Afterlife X DARK Level 4 [ FiendEffect ] ATK 1600 DEF 600 When this card is sent from the field to the Graveyard: Each player adds 1 Level 3 or lower Normal Monster from their Deck to their hand
TCG - Legendary Duelists: Duels From the Deep Booster Pack Display (36 Boosters) Dive into Legendary Duelists: Duels from the Deep , featuring new cards for 3 UAE monster strategies used by Duelists from the Yu-Gi-Oh
Prototype cards go very well with blink effects, since you can pay 3 mana for a small creature and blink it to get the full 5/4
Pendulum monsters or tokens cannot be sent to the graveyard, so they cannot be activated