Prize Pack cards are usually rarer due to the limited printings, even if other cards technically have a higher art rarity
Standard also has two other creatures with this exact mana cost: Craterhoof Behemoth and Ghalta, Stampede Tyrant, which are much more proactive threats
These feature unique art styles not seen elsewhere, as well as a bonus, unlisted, card
Its a huge tempo blowout that provides a bit of extra damage and sometimes eats a creature, too
Amethyst cards lean heavily into magical themes, with extremely beneficial perks like drawing extra cards in a turn or even returning banished cards to a player's hand through resurrection spells
You can also extend the concept by playing cards like Mizzix, Replica Rider, Vega, the Watcher, Keeper of Secrets, and Flaming Tyrannosaurus, which reward you for playing cards from any zone other than your hand