mtg cards that make squirrels Chatter of the Squirrel [The List] Moderately Played put a 1/1 green Squirrel creature token into play Chatter of the Squirrel -

Saga Creatures have chapters just like normal sagas

Then since Ur-Dragon is now Skithiryx pumped up by +6/+0 when it was Moltensteel Dragon, you can swing with Skithiryx as a 10/6 to deal 10 infect to your opponent, which causes them to lose the game

When doing this, you strengthen your already strong characters since you're playing Ruby, potentially creating a very scary board state for your opponent to stare down

It's no coincidence that the two best decks from the First Chapter format each feature one of these cards

It's a great mana sink if you have nothing else to do, but the real draw here is that "mill that many cards plus four" ability