edhseer Commander synergy, explained
Instant
Mana cost: {2}{U}{U}
Untap all creatures you control and all creatures target opponent controls. You and that opponent each gain control of all creatures the other controls until end of turn. Those creatures gain haste until end of turn.
on-cast — untaps a permanent
on-cast — untaps a permanent
on-cast —
on-cast —
on-cast — grants haste
Causes: untap a creature, take control of a creature.
Cares about: nothing.
an instant is cast — 3,931 cards in the game can cause this (Reins of Power is one).
When Reins of Power 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 (Reins of Power is one).
When Reins of Power is cast:
5 other cards care about it too. These are the ones with the most connections.