Creating tapped Treasures whenever you sacrifice a Food Token, Nuka-Cola Vending Machine has become an absolute staple in Food Commander decks
Yzma, Scary Beyond All Reasons ability makes her worth the cost alone, but she wont go to waste once shes entered the field, either
My personal favourite of this is Rafiki, Ethereal Guide and Tigger, In The Crows Nest, for their fantastic expressions
11- Two-Mana Mana Rocks Whether its Arcane Signet, or some other Signet, some of the best ways to start ramping is just to drop an artifact on turn two that taps for mana
For one example, while relatively few players play 50 games of Magic in person each week, that's fairly common on MTG Arena