In other words, if the rest of your hand is full of cheap and inkable cards, Marshmallow isn't the worst thing in the world to keep
In this case, the spell side provides an infinite-hand-size emblem while drawing you lots of cards, and the Sea Gate, Reborn side is an untapped mana source if needed early on
Particularly welcome given the trouble with the last deck is the higher availability of trample with Armada Wurm, Advent of the Wurm, and Giant Adephage
This makes Kudos ability a bit redundant for your board, but its still an effective hatebear all on its own and looks great surrounded by an army of Grizzly Bears, Runeclaw Bear, Mother Bear, and all those other 2/2s for 2
The second deck is led by the ruthless Mishra, brother of Urza and eventual Phyrexian pawn
Not all creature types are equally supported, though