Other MTG sets gave us more nonlegendary eldrazi options, like Breaker of Creation, Ulamog's Dreadsire, Sire of Seven Deaths, and Flayer of Loyalties to ramp into
I can picture this card seeing play across multiple formats, possibly even being the big chase card for the entire set
Its ability to disrupt the opponent's Item plays also make Galvantula ex a high utility card that only got its price valued higher with its Special Illustration
Not the worst cards, just the cards with the most potential under the right circumstances
However, there are potentially better cards to include in such a deck, like more efficient creatures or additional spells that enhance the tribal strategy
You'll sift through your deck, discarding riff-raff and honing in on the cards that will clinch your victory, fueling strategies that require drawing, and those looking to fill your graveyard