Honestly, the only thing holding this down on the list is another, better wall for haste
(Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 3 life.) Magecraft Whenever you cast or copy an instant or sorcery spell, create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life." WardPay 3 life
Is Elvish Regrower legal to play
This stage 2 Pokemon also benefits from being the evolved from of Axew which is a Pokemon highly featured in the anime, making it pretty popular
To identify an Antiquities card is very easy: they have a black border, with an anvil symbol on the right side and without the year of publication under the illustrator's name
You kind of need to be in 5-color gates to reach the critical mass of gates needed to make this worthwhile, but it's a powerful effect