Imagine as you mix the cards, youre projecting your energy into them
Eight mana is quite a lot, but green should be capable of accelerating into an Ancient Adamantoise fairly well, and it literally dominates the board while in play
Speaking of Cabal Coffers, Scam tends to be strong because, thanks to free spells, it has a much higher action economy than most other decks
I think all colours should have some ways to interact with peoples plans that are not limited to things in play (or graveyards)
Most common targets are Walk the Aeons, Cyclonic Rift, Mana Drain, Ghostly Flicker
The collection includes the Arcane Maelstrom, Enhanced Evolution, Ruthless Regiment, Symbiotic Swarm and Timeless Wisdom decks released for Ikoria earlier this year