Elemental Bond Elemental Bond is a cool enchantment for decks with many creatures: any time a creature with 3 or more power enters the board under your control, you'll draw a card
Three life is a significant cost and it adds further interest to playing and building with the card
Combine two of these and you get a 40-card deck with around 16 lands and 24 non-land cards
Hail, Caesar (Red-White-Black) : There's also the Hail, Caesar deck, featuring the franchise's infamous Caesar as your commander
However, in order to support Counterspell and Murktide Regent, red mana is out of the equation
I'm not sure if it was restricted out of fairness, or if they actually thought the card was overpowered at 2 mana (can't imagine the thought process, when crusade and bad moon were fine, but then, they restricted gauntlet of might, so maybe they didn't like red guys getting pumped!) Rukh egg looks fine today, maybe even pretty weak