Sami can be used to reduce the cost of many cards to enable combos, like Sensei's Divining TopSensei's Divining Top, Ancestral StatueAncestral Statue and mana rocks such as Chromatic OrreryChromatic Orrery
If you somehow lose control of that commander before you finish casting the spell (perhaps because you sacrifice it to activate a mana ability), it won't change the number of modes chosen
When you attack with Six, you get to mill three cards, conveniently the exact number of cards Kotis needs to cast creatures from the graveyard
Fable continued to be in a number of places
To change your tactical approach to the match as you determine what my biggest threats are and how I may deal with your best cards
When the ability resolves, you create a token copy of the card, but as you'd expect, going through the process of mummification causes some changes