Whenever one or more cards an opponent owns are put into exile, put a release counter on The Heron Moon
Anything that triggers "at the beginning of your upkeep" or similar will trigger during the upkeep step, and you'll eventually draw a card for your draw step
With both of these tokens, we wanted to play around with the text box, and rather than having all of the abilities in the usual rectangle at the card bottom, we wanted to call back to the look of a Manga panel
Technically with enough mana you can go through your entire deck, but short of generating infinite or near-infinite mana you'll eventually run out if you don't hit something good
In a creature-heavy human deck, you can likely get this ability off pretty frequently
Personally, as a fan of the Tyranid deck, I do like the idea of loading up on the +1/+1 counters Assault Intercessor Lets just ignore the text on the card and just look at the cost per stats here