For three mana, while this Human's toughness is statically four, its power is equal to the number of creatures under its owner's control
The biggest reason for balance though, is because I can :P The plan with Selective Memory is to remove every card in your deck except Jace, Wielder of Mysteries
Advanced Search Sets Random Syntax Showing 1-3 of 3 cards: "set name: FIN, formats: legal in Standard , colors: equals W_B" Display: Card Small Sorted By: Card Name Ascending Showing 1-3 of 3 cards: "set name: FIN, formats: legal in Standard , colors: equals W_B" Judge Magister Gabranth Rufus Shinra Squall, SeeD Mercenary Advanced Search English
Exhume is awful with Eons torn unless you have the Quicken and so you avoid building a deck that has that pairing
Even the Commander crowd loves the crap out of fetchlands
Illusion of Choice is perfect for cards like Lieutenants of the Guard, a 2/2 White Human Soldier that costs four generic and one White mana to cast