Its a question that has a little more nuance than you might think, and in the process of coming to a conclusion, I think Ive hit on some key heuristics that can help you decide which is best for you
One of the most recognizable cards is Machamp V, an Alternate Full Art from Astral Radiance, which has a market price of $157
Maybe if youre into Treasure Map you can try it as the tempo matters more, but Im not impressed by either side of that split card
In a Two-Headed Giant game, Elesh Norn does not affect triggered abilities of permanents your teammate controls
the deck only has 19 real lands and a handful of mana birds, while trying to resolve four mana sorceries
Another small subset of are specifically concerned with high-power creatures: Garruk's PackleaderGarruk's Packleader and Elemental BondElemental Bond