edhseer Commander synergy, explained
Instant
Mana cost: {U}
Put X glyph counters on target creature that target Wall blocked this turn, where X is the power of that blocked creature. The creature gains "This creature doesn't untap during your untap step if it has a glyph counter on it" and that ability
on-cast — puts X counters on it
on-cast — grants a keyword
At the beginning of your upkeep, remove a glyph counter from this creature.
triggered —
Causes: put a counter on a Wall creature, remove a counter from anything.
Cares about: an upkeep.
an instant is cast — 3,931 cards in the game can cause this (Glyph of Delusion is one).
When Glyph of Delusion is cast:
427 other cards care about it too. These are the ones with the most connections.
anything is cast — 31,128 cards in the game can cause this (Glyph of Delusion is one).
When Glyph of Delusion is cast:
5 other cards care about it too. These are the ones with the most connections.