Guardian of the Gateless: another heavy casting cost
Her transformation effect is the main draw here, but she also effectively serves as a Phyrexian Arena when needed, and can end games with her ultimate, making her a great walker all round
The most valuable trading cards usually fall into a few categories: iconic rookie cards, ultra-rare inserts or serial-numbered cards, and low-population graded cards in mint condition
Three and higher CMC Threats Snapcaster Mage 9.5 This obviously has a range from two mana to potentially ten I guess in this deck
Your deck cant function if it misses its fourth land drop
At this point, with Commander the most popular format and a focus of every new set, these questions should be dealt with in-house and with a clear design philosophy rather than forcing designers to jump through these hoops just so that a card can meet arbitrary, outdated criteria for colour identity