Is communion a spiritual thing/blessing, or a material/bodily thing/blessing?
Part of the point is that it’s material; this ordinance requires the use of our mouths as much as our minds. But Sacramentalists assert that grace in the sacraments (baptism and communion) is inherently efficacious and necessary for salvation. They locate power to be present in the bread and wine regardless of whether faith is present in the eater. That’s not right.
Our kind of Spirit-and-truth Christians have been tempted to run the other way, as if blessings have no taste. If it’s not spiritual, we better make it spiritual, and what better way to do that than to ignore the material? That’s also not right.
The Word became flesh (John 1:14). His flesh and blood were given for eternal life (John 6:54). His resurrection was physical (1 Corinthians 15:4), not mystical. So also among the blessings of our salvation by faith we anticipate better bodies, immortal but not immaterial (1 Corinthians 15:53).
I think we would classify communion as a material meal of blessing that only spiritual men are truly blessed by. Our koinonia is a sharing of Christ who we do not currently see, but we share Him as part of His body, the church, who we do see. We are blessed.