It can serve as a game-ending play by stealing opponents' creatures and attacking with them
Typical targeted planeswalker removal runs you 2-3 mana, so at 5 mana were effectively getting the artifact destruction for free
Ragavan is simply one of the best cards in Modern at the moment, and has plenty of decisions just because of the dash ability, nevermind whether or not you want to cast a spell from your hand or one from the top of your opponents library
While opponents accelerate into their game plans, youll struggle to keep pace with conventional land-based mana development
Thats only going to happen in some games, but its game-changing nevertheless
A crap-ton of the strongest Pokmon decks rely on key Item plays to do their thing, especially those that use Rare Candy to guarantee crucial evolutions for their biggest hitters