As this ability triggers on each player's end step and not just your own, in a multiplayer format like Commander this can provide each opponent's creatures with -4/-4 after a single turn rotation
Lucky Dime Decks Lucky Dime from Into The Inklands has been a huge threat ever since it was first printed, and now it can easily set up combos that can win you the game in a single, explosive turn
Sure there are some niche cases where you can use a face up effect from an opponent to further your ends, but it simply wont happen enough to legitimize the inclusion
Then you counter the first sorcery, instant or artifact your foes cast each turn, which is nastier in multiplayer
Maybe you can unearth a creature with a cast trigger to cheat its mana cost, only to clone it with a Phantasmal Image
You can also add another Aladdin, Heroic Outlaw to make sure you find this high-impact character more often , and replace some of your early game cards like Horrace, No Good Scoundrel and Mickey Mouse, Steamboat Pilot with additional copies of Cruella De Vil, Miserable as Usual