Too Shiny
It also adds green regardless of what your creature taps for, so you can tap for green and another color if you have a Birds of Paradise
Playing one of these could work well, with a couple cartouches to fill combat trick slots that offer long-game value with the trial
Across seven cards, you'll find art from Supplement I: Greyhawk (1975), Players Handbook (1978), the "Red Box" Basic Rules (1983), 2nd Edition Dungeon Master's Guide (1989), 3rd Edition Monster Manual (2000), 4th Edition Dungeon Master's Guide (2008), and 5th Edition Dungeon Master's Guide (2014)
I still strongly suspect I would play this over actual Coercion however
Do not use polish anything with a third layer of holographic accents, such as repeating patterns and extra embellishments like the cards above