Thats because the way the triggers are worded, you can put the last chapter ability on the stack, and then remove a counter to keep the Saga but get the last effect on the card
The two cards play together reasonably, with their mana costs playing a role in illustrating the fact that theyre going to slot into slower archetypes
Thrasios is also another two-color Partner, and crucially, one that gives access to blue
The Commander decks are standalone products 100-card, ready-to-play decks built around specific Marvel themes, compatible with any Commander table but requiring no additional purchase to enjoy
Moving around counters creates some incredibly unique situations, but only moving one counter, drawing one card, and Proliferating once means that Tiduss progress will be rather slow
Obviously its fragile, but it has some people excited and others worried