Obviously being one mana still makes this great late game and gives you the option to use on turn one if you need to as well which are all huge perks
If I play three creatures, and then you kill them all with a Wrath of God, you've got card advantage: You used a single card to get rid of three of mine
Knowing exactly which cards people draw in the initial 3-4 turns can provide you, and the rest of the table, with some valuable information
Shield counters act like temporary totems - surviving board wipes, combat, and pesky removal spells
Due to this, I dont think that Wizards of the Coast will ever touch, revise, or rework the Reserved List at this point
Fearless Liberator Well this seems potentially playable in standard, since you can drop it then next turn double it, but only in an aggro deck and then if you're on curve you are not answering your opponent's, and later game a 2/1 probably isn't going to cut it