1: You may sacrifice an artifact
It started as an experiment, but Sephiroth is now becoming a core part of the deck
Strong Back may be yet another creature gets increasingly large for each aura and equipment in play/attached to it/in your favorite sandwich, but its also a huge cost reducer
Provisioners ability to generate Food tokens is certainly less impressive, but can also help with lifegain synergies, like Vito, Thorn of the Dusk Rose
It's not feasible to comprehensively categorize the infinite number of types of misprints that could occur, especially given how rare it is for them to actually be played in tournaments, so WOTC allows the head judge to use their discretion
Don't sleep on regeneration and color shifting either, and both are useful to fall back on when you need to