pokemon contains 25 cards Pokémon TCG 25-Card Pack Guaranteed One Foil especially those aged 4 and up. 25 Assorted Pokemon Card Pack

There are already a deluge of good mana-doubler effects in Green, like Zendikar Resurgent, Regal Behemoth, and Nissa Who Shakes the World, with other ways to achieve similar effects by dipping into artifacts and secondary colors

Finally, there's Zhalfir, which is finally returning following being phased out by Teferi to protect it from the Phyrexian invasion

Editing is smoother overall with improved Big Card View, better variant sorting, and clearer visibility for unowned and invalid cards

You lose the option on playing it for black and you have to exile the things you return but you will be sacrificing your stuff before then so it doesn't matter a jot