Both of this cards sides help you achieve that goal with relative ease
This exclusivity, combined with many copies of the card becoming unplayable through warping (due to being a foil-only), lead many to become totally disenfranchised with mechanically unique promos in competitive play
Earthquake and Shattering Spree are both fantastic at getting rid of massive amounts of permanents for little mana investment
Though Lorcana has done very well thus far with its Starter Decks and straightforward rules, its definitely not a bad idea to widen the audience for the game, or encourage players to dive a bit deeper into its mechanics than they may have the confidence for right now
Charizard ex followed in third place, and Starmie ex in fourth
In fact, there are few, if any, common threats that cost two mana or less that can't be dealt with by way of Grasp of Darkness