Not only can she generate Elves herself when dealing damage, but she can also tap ten Elves to deal ten damage to each of your opponents, an ability which neatly circumvents the need to deal with multiple players and gives you a four-turn win if your opponents cant deal with Lathril in that time
They both have triggered abilities that can be copied by Roaming ThroneRoaming Throne
A precon skips all of that and puts a functional, coherent deck in your hands immediately
Tools like the Rare Candy app can also help, letting you scan cards and check current market values before you buy, trade, or make an offer
The boxes are HUGE , making it difficult to ship these to collectors in other parts of the world at a reasonable price
This is totally unplayable in an aggressive deck as you won't have threshold until the super late game, usually not at all