Crystals The full colored cycle of Crystals reduce costs, and each one has a static ability and an activated ability, so the 4 mana value slot is a key one to launch you into the the biggest and strongest cards, and rely on 2-mana rocks to curve into these on turn 3
Let me process this for you while you gaze at each new thing about it that is wrong on some level
Blow the Whistle allows him to shut down opponent actions until the start of the player's next turn, potentially neutralizing powerful songs and more
And if you pay 5, which is tough at sorcery speed, you can tutor and then draw the card plus two more
In a four-player game, one will likely just have zero or one, so nothing will happen with that person, just like a Balance