I would strongly consider bolstering that ability count to two in the list with either Temur Battlerage or Double Cleave
As far as spells go, Im going to keep that closer to the breast for now
Play boosters only have 14 draftable cards because thats the number that Wizards figured would work best in maintaining the booster opening experience while still allowing players to draft with them
As a mono-white creature, Gandalf the White can easily fit into any deck with white mana, making it even more flexible
While a four-mana 8/8 reach with evasion isn't exactly broken in Modern, and it is annoying that its backside's mana value is two, which means it dies to things like Fatal Push, March of Otherworldly Light, and Prismatic Ending, the opponent will lose the game super quickly if they don't have an immediate answer
Time for top ten smashing