The Amber/Sapphire deck, called Tactical Teamwork, is a Seven Dwarfs-themed deck with an emphasis on combat tricks and characters that buff each other while in play, as well as some nice item synergy for card draw, healing, and removal
Besides looking good, theres a good reason to opt for the foil set
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Playing aggressively against flash decks works well, as they get easily overwhelmed by hordes of cheap spells or small creatures
Crush Hand fits green flavor perfectly, and while direct damage isnt particularly in flavor for green, it is for red, which is what the card checks before doing damage
Time Warp is banned