Three things Id say you should go for as a newer player are cards that look powerful, cheap removal, and (to a lesser extent) evasive creatures
Doubling up on Seething Song into Lock and Load seems like a fantastic way to start a combo turn
Legendary Planeswalker Nissa
Myrel, Shield of Argive is a much more powerful card, but also at twice the cost
13 Kess, Dissident Mage Wizard Kindred Has Never Been Stronger As a Grixis (black, blue, and red) commander, Kess, Dissident Mage is already primed to be a great control Commander due to having access to many of the best counterspells and removal options ever printed
Legacy Grade Updated Grade CGC Trading Cards Gem Mint 9.5 CGC Cards Gem Mint 10 CSG Gem Mint 9.5 CGC Cards Gem Mint 10 CGC Trading Cards Perfect 10 Retired grade