There are plenty of Pillowfort effects that trigger when any player attacks or when they attack you , and Isshin will double these triggers, too
I have also seen some hype for Abhorrent Oculus, but I don't think it actually fits into Izzet Phoenix because you are already exiling your graveyard with Treasure Cruise
This goes double for the Enchanted version, which depicts an unusually intimidating version of the character well, as intimidating as he can be, which still isn't all that much
The benefits of their synergistic game plan must be extremely powerful to measure up to the good stuff. What all of this means is that, at least until rotation, the Tier 1 decks of M21 Standard will be a lot like the Tier 1 decks of pre- M21 Standard, with minor upgrades
Its also hilarious to put Emrakul or Atraxa or Griselbrand onto the battlefield with it
It helps Modular be a bit more viable, which is good because that archetype is hardly ever played and could use a boost