All the legends in these decks have a unified goal of working together within their decks theme and its fun building cards like this to have that creative team synergy, whether thats sayinteracting with counters in Final Fantasy X or playing with the graveyard in Final Fantasy VI
If you get Affinity threats like Thought Monitor and threats like Metalwork Colossus in the bin, Golbez can dish out serious damage
Between early aggression thanks to cards like Cursed Merfolk, the tempo gained by the Amethyst bounce package, and a top end from shift characters like Pegasus Cloud Racer and Ursula Sea Witch Queen, Emerald/Amethyst has all the tools needed to win you a Scar Heartless Hunter promo while still being a blast to play
For example, if Clive's Hideaway's hideaway ability is copied and two cards are exiled, you may cast both exiled cards without paying their mana costs (assuming you control four or more legendary creatures at that time.) Gogo's ability can copy any activated or triggered ability on the stack, not just one with targets
This is because his ability allows you to pay two ink in order to remove a damage from a different character
A Whole New World, when timed correctly can refill your hand and force your opponent to discard cards that they probably want to use, cycling through their deck quicker, a staple card in Mill decks