Sylvan Library synergizes perfectly with lifegain strategies and high life total commanders
Later in the game, when you have a larger amount of mana, you can stave off some of the more powerful creatures on the board by goading them
Urza's Iron Alliance is an Esper Artifact Creatures deck that focuses on, well, Artifacts, specifically Artifact Creatures: the deck is loaded up with artifact creatures that fulfill everything the deck needs, from ramp (Etherium Sculptor), to card draw (Thought Monitor), to removal (Noxious Gearhulk), and more
As the card pool widens and cards become more powerful and efficient, it often becomes increasingly important to interact on the early turns when necessary
2 CARD VIEW P-103 | P | CHARACTER Portgas type, this Character gains [Blocker] and +4 cost
There's something else familiar about the Pokmon Centre then, as well as those colourful characters all over its walls