Against the creature decks, this card is pretty uninspiring as a defensive body, and it faces the same issues of not being able to attack well that Merfolk Trickster can struggle with
Much like Alternate Art Cards, trainer gallery cards offer a new look at some Pokmon told in a different perspective
And, if those creatures dont survive in the long run, you can eventually use the Equipment cards (that stick around) to close out the game
Fortunately, there are no shortages of sources when it comes to learning more about whats in a game
(Your leader card does not count as part of your main deck.) If a leader card has multiple colours, it is treated as both of those colours, allowing multiple colours to be included in the deck
However, I can think of 2 situations that this card would add immense value (and theres likely even more): When youre playing a team game and have excess mana available to help untap a teammates lands