While you control it, cards that are "decorated" (which the card uses to refer to cards with "premium" foil, alternate art or frames, and promo cards) have a miracle cost of one snow mana (which means that you can play the card for one snow mana if it's the first card you drew that turn)
When this creature dies, you may put the exiled card into its owners hand
Their conversion rate depends on what you're buying: There are things that are optimal to buy with cash, others with gems, and others with gold
Aminatou, the Fateshifter Commodore Guff Daretti, Scrap Savant Dihada, Binder of Wills Elminster Estrid, the Masked Freyalise, Llanowar's Fury Jared Carthalion Jeska, Thrice Reborn Lord Windgrace Minsc & Boo, Timeless Heroes Nahiri, the Lithomancer Ob Nixilis of the Black Oath Quintorius, History Chaser Rowan Kenrith Saheeli, the Gifted Sivitri, Dragon Master Tasha, the Witch Queen Teferi, Temporal Archmage Tevesh Szat, Doom of Fools Will Kenrith
The product as a whole gets my approval, which honestly, is harder and harder to get with each new set of precons that comes out
Now fixtures of Sapphire and Amethyst decks, the combos you can pull off with the right moves are dizzying: Goat Merlin on the board for one lore