edhseer Commander synergy, explained
Instant
Mana cost: {W}
Cast this spell only during the declare attackers step and only if you've been attacked this step.
Untap all creatures you control.
on-cast — untaps a permanent
Causes: untap a creature.
Cares about: nothing.
a creature untaps — 519 cards in the game can cause this (Rally the Troops is one).
an instant is cast — 3,931 cards in the game can cause this (Rally the Troops is one).
When Rally the Troops 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 (Rally the Troops is one).
When Rally the Troops is cast:
5 other cards care about it too. These are the ones with the most connections.