And of course, that number shifts up and down based on several different factors, including deck archetype, format, etc
Forsake the Worldly can do the job for 3 mana if that something is an artifact or enchantment, exiling it so you probably don't have to worry about it coming back
Edgar Markov [Vampire commander]: Return two of your small vampires to the hand and cast them again to trigger more tokens
While his downtick isn't quite as strong as Chandra's, it does have synergy with the Vampires deck, provides some nice reach with flying, and can pad your life total
Fourth gets copied
Then you can put the nonland card into your graveyard or, if you like what you saw, leave it on top of your library