It's easily one of my favorite cards of all time (sorry, Bubble Mew), and while I believe Mega Gengar ex will be the reigning chase of the set from a community standpoint, I think Dragonite will be one of the highest priced cards of the expansion (even if it probably won't make our list of the most expensive Pokmon cards of all time)
It gives you the option to both search specific Items with Magnetic Grip and remove a decent amount of HP from two targets at once with Electro Star
We've already talked about it being a simple combo piece for a sacrifice cost, but you can also use this walking corpse to gain infinite mana, damage, and more
Card Name Type Land Rarity Uncommon rules Text This land enters tapped.: Add ., , Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle