edhseer Commander synergy, explained
Sorcery
Mana cost: {3}{G}
The Ring tempts you. Then reveal cards from the top of your library until you reveal X land cards, where X is the number of legendary creatures you control. Put those land cards onto the battlefield tapped and the rest on the bottom of your library in a random order.
on-cast —
on-cast —
Causes: the Ring tempts you, put a land onto the battlefield.
Cares about: nothing.
the Ring tempts you — 49 cards in the game can cause this (The Ring Goes South is one).
When The Ring Goes South has the Ring tempt you:
a land enters the battlefield — 1,560 cards in the game can cause this (The Ring Goes South is one).
When a land enters thanks to The Ring Goes South:
199 other cards care about it too. These are the ones with the most connections.
a sorcery is cast — 3,720 cards in the game can cause this (The Ring Goes South is one).
When The Ring Goes South is cast:
429 other cards care about it too. These are the ones with the most connections.