The fact that you can play Vivi and immediately play any number of free spells to grow Vivi and deal damage to the opponent makes it a very scary card
So far, we've seen Commander variants and reprints, but what about the alternate versions of main set cards
To calculate the expected value of a box, perform these steps: Multiply the value of a card by the odds of opening the card
Even in the early game, if you have a cheap commander in play it can set you ahead several turns over your opponents
A good card for this strategy would be a cEDH staple called Underworld Breach, which makes each nonland card in the user's graveyard have escape, with the escape cost being equal to that card's mana cost plus exiling three cards from the user's graveyard
Anikthea, Hand of Erebos is the most popular enchantress commander that taps into black: While it doesnt specifically care about sagas, Anikthea loves it when you fill your graveyard with enchantments which is exactly what happens when a saga has run its course