Its immensely overstuffed with removal spells, with an eye-popping 22 spells included
The combination of green, blue, and black covers a wide range of effects but doesnt have everything
I would avoid this card for a month or so unless you absolutely need it for a deck you want to play in a tournament
White Splashes Path to Exile Monastery Mentor Mantis Rider Lightning Helix Soulfire Grandmaster Seeker of the Way Spell Queller Reflector Mage Mother of Runes Selfless Spirit Figure of Destiny White is by far and away the slowest colour in terms of the additions it brings
But the first Alchemy Horizons set contains more than 250 cards (with some pretty cool additions) and is designed as a full drafting experience with event queues just like regular Standard set releases
Then each player reveals cards from the top of their library until they reveal a permanent card, puts it onto the battlefield, and puts the rest on the bottom of their library in a random order