Perhaps the one that Shanzay, Martin, and Venturo are seeking for their experience
This would likely go under the radar, as were already playing in the space of Human tribal and it would allow for a misdirection as people will expect that you intend to meld into [casthaven]Hanweir, the Writhing Township[/casthaven]
Even within this limited pool of cards, there are a host of charming, flavorful nods to the Marvel Universe, like Doc Ock's 8/8 Power and Toughness and Pumpkin Bombs' use of Fuse counters (FYI: this is a counter we haven't seen in Magic since 2001, which is pretty cool in and of itself)
For 2 mana, a player gets to go again
Search your library for a card, put that card into your hand, then shuffle
Its a question I often muse on, and I think its because people would rather moan about things outside of their control than make an effort to enact change