Avoid wasting slots on cards you will not cast
One thing to note is that Friends Forever is currently exclusively present on the Stranger Things Secret Lair cards, and there is no announcement that it will be used in any future crossovers
(They're artifacts with " , , Sacrifice this token: You gain 3 life.") Sacrifice a Food: Until end of turn, target creature you control assigns combat damage equal to its toughness rather than its power
An inquisitive reader will ask, whats the point of this card, when is it useful
This allows small creatures that are easy to cast to be able to crew powerful Vehicles that normally require a large crew investment
But saying your deck is a 7 has become an extreme in itself, almost like its own Commander subcategory