Depending on your build this can be an absolute impediment for your opponents that want to attack you
What Ive already mentioned, paired with it being in arguably the ideal colors for MLD makes it a great pick if youre looking to play into this strategy

1 Wildcard of any rarity A common (4.2%), uncommon (74.1%), rare (16.7%), or mythic rare (2.6%) from the Magic: The Gathering | Avatar: The Last Airbender main set An uncommon scene card (less than 1%) A rare or mythic rare scene card (less than 1%) A rare or mythic rare field notes card (less than 1%) A rare or mythic rare battle pose card (less than 1%) A rare or mythic rare elemental frame card (less than 1%) A mythic rare borderless double-faced Saga card (less than 1%) 1 Rare or mythic rare A rare (80%) or mythic rare (12.6%) from the Magic: The Gathering | Avatar: The Last Airbender main set A rare (1.6%) or mythic rare (less than 1%) scene card A rare (1.4%) or mythic rare (less than 1%) field notes card A rare or mythic rare battle pose card (less than 1%) A rare (2.4%) or mythic rare (less than 1%) elemental frame card A mythic rare borderless double-faced Saga card (less than 1%) 1 Traditional foil card of any rarity A common (53.9%), uncommon (36.7%), rare (6.7%), or mythic rare (1.2%) from the Magic: The Gathering | Avatar: The Last Airbender main set An uncommon scene card (less than 1%) A rare or mythic rare scene card (less than 1%) A rare or mythic rare field notes card (less than 1%) A rare or mythic rare battle pose card (less than 1%) A rare or mythic rare elemental frame card (less than 1%) A mythic rare borderless double-faced Saga card (less than 1%) 1 Land card A non-foil common dual land (40%) A non-foil default frame basic land (20%) A non-foil Avatar's journey basic land (10%) A non-foil Appa basic land (10%) A traditional foil common dual land (10%) A traditional foil default frame basic land (5%) A traditional foil Avatar's journey basic land (2.5%) A traditional foil Appa basic land (2.5%) 1 Non-foil DFC helper card or double-sided token Note: Percentages may not sum to 100 due to rounding

Greed's Gambit doesn't kill our opponent on the spot, but it's still very powerful
Both Captains give the other hexproof, and then you could generally just race most people pretty quickly