Bant is the perfect color combo for the deck given White/Greens penchant for counter generation and Blue/Greens tempo management
The removal or speed of the format might not align with every Hulk or Iron Man card design
Both red and black are good at sacrificing tokens, and at creating treasure
Status: Restricted in Vintage, banned everywhere else
And, if they do block, you can eventually get that trample payoff, too
In the incredibly rare case where, during your cleanup step, Ancient Adamantoise is phased out with damage marked on it, Ancient Adamantoise's second ability won't apply and all marked damage will be removed from it during that cleanup step