The second knock is that Alena relies on either a steady flow of creature token generation, or a big turn with a flurry of cards for which some of your best cards are Ball Lightning, Bonecrusher Giant has more power than mana cost, and Cosmic Larva has a real drawback
However, its powerful tail is the primary weapon of choice to smash its enemies or create the spacing Nidoking needs to execute one of its devastating charges
I'm thinking primarily of Commander games, but if you think something fits a different format, please note that
The cards enters-the-battlefield effect lets its controller destroy an opponents land and fetch a forest for themselvesa swing that, in multiplayer Commander, can quickly snowball into an overwhelming advantage
So far, thats it
There wasn't space to do that, though