As for the other three (Evolution SageEvolution Sage, Metallic MimicMetallic Mimic, and RealmwalkerRealmwalker), while they're creating synergy with the deck, I would have preferred something a little more oceanic, or at least from Ixalan itself, like Roaming ThroneRoaming Throne, for example
The downside of Assassins Trophy allowing the opponent to search for a basic land from their library and put it on the battlefield is huge in Standard because the format is slower and cards are more expensive
(2/29/2020) You can open booster packs that contain cards not legal in the format you're playing.
Actually, it infamously got a one-star review, the lowest possible ranking, from InQuest Magazine when it was first released
You can systematically draw cards from this glimmer if you have ways to produce tokens on your opponents turns or if you have a commander that produces small 1/1 tokens each turn
For other purposes, however, if a card refers to your commander, it means either the legendary creature or the legendary Background enchantment
