The Options You Got Are: Play cards from your hand
But for now, I'm not too high on it
With other options in Amethyst that allow you to order your cards, giving you exactly what you need, in conjunction with this setup, you get two lore from questing and can potentially pull the perfect card for your next turn
For example, Atraxa, Grand Unifier was originally printed in Phyrexia: All Will Be One and is Standard-legal, at least until Edge of Eternities
Each crystal is assigned a specific Magic mana color: The Earth Crystal - green The Fire Crystal - red The Water Crystal - blue The Wind Crystal - white While each crystal results in a -1 decrease to spell-casting cost, one has its own unique effects and costs associated with playing them, as can be seen in the cards above