8 Narset, Parter Of Veils A blue Planeswalker for three mana, at first glance, Narset, Parter of Veils may not seem too bad
There are many niche merfolk support cards that will basically only see the light of day for a product like this, so Wizards of the Coast had no reason to leave any of them in the vault unless they break the blue/green color identity (sorry Sygg)
Elspeth, Suns Champion Very few planeswalkers create multiple tokens with a plus ability
This two-drop will draw when an Equipment ETBs not a cast trigger, sure, but in the same space as that deck archetype
In a game where a player can't act during their opponent's turn, this means that if Unown's opponent goes second, they only have one turn to play before they lose
Failing this, if they assemble Tron, try disrupt them by taking out their expensive threats such as Karn Liberated, keeping in mind that you can also break up Tron at a later part of the turn using Field of Ruin