When a card is added to the inkwell, it stays there for the rest of the game - meaning you cant use any of the text or abilities on the front of the card once its turned into ink
Then, any time you create tokens, it gains another story counter, which you can pay one white mana and tap to remove and draw a card
After sealing the container, wait about 30 minutes, until the card starts to uncurl on its own
The dies trigger isnt likely to be much, but its a 4/4 flyer for fouronly one of which is redand a Dragon to boot
There are a lot of ways to establish infinite loops with Emry all you need is something that untaps Emry when you cast the spell you target, like Jeskai Ascendancy, Paradox Engine, Intruder Alarm, or Mirran Spy, and a way to get whatever youre casting into your graveyard again, like the legend rule on Mox Opal or Mox Amber, or sacrificing the artifact, either to itself or something else
That means double striking Wolves and Werewolves will trigger Tovolars ability twice, once from the instance of first strike damage, and once from regular damage