Snapcaster Mage Snapcaster Mage is an amazing card
once the deck runs out, that player continues play with no further cards) All starter decks were built with these differences in mind, but with an eye on upgradability (and as a minor marketing enticement for players needing to pad these decks with a few extra cards to make them legal to use)
Youre also supposed to get 3-4 of these per box on average, so they can have a big impact on your value
This generally works best with massive creatures like Yargle and Multani and Ghalta, Primal Hunger, though decks interested in filling the graveyard dont necessarily need this green enchantment to be card-positive
Besides that, the only real interaction a player had was to sideboard in other colors, a factor that they have no control over before they sit down at the table
the Saga becomes a sturdy 5/5 creature that can't be blocked by a single creature, generates mana with every attack, and lets you steal cards from an opponent's graveyard