how rare is a mewtwo card V - Pokemon GO [ULTRA RARE] Pokémon Hit Points130 HP Form Pokemon: 8 Rare Mewtwo Cards

Sure, Populate was fine in Standard - this article from 2013 is a nice snapshot of the kinds of things I was doing with Voice of Resurgence at the time, and Ryan did a lot of work with the build

Land Enchantment - Saga Urza's Land (CTRL to add secondary) Landfall Valakut Exploration Landfall Whenever a land you control enters, exile the top card of your library

For Unchained, this was the destruction of their own cards, something card design has gone out of its way to stop you from doing to yourself after learning the lessons of interacting with your own board via bounces and pops (such as Brionac, or Heavy Storm ) the hard way over and over and over

In addition, he is a great Ally support card as it gives Allies we control Menace and Prowess

That is, he changes states based on external criteria but there are a large number of iterations