edhseer Commander synergy, explained
Land — Island Mountain
({T}: Add {U} or {R}.)
This land enters tapped.
When this land enters, surveil 1.
triggered — surveils
Causes: surveil.
Cares about: nothing.
a Mountain enters the battlefield — 64 cards in the game can cause this (Thundering Falls is one).
When Thundering Falls enters:
an Island enters the battlefield — 64 cards in the game can cause this (Thundering Falls is one).
you surveil — 233 cards in the game can cause this (Thundering Falls is one).
When Thundering Falls surveils:
5 other cards care about it too. These are the ones with the most connections.
a land enters the battlefield — 1,560 cards in the game can cause this (Thundering Falls is one).
When Thundering Falls enters:
199 other cards care about it too. These are the ones with the most connections.
a card in a graveyard — 7,589 cards in the game can cause this (Thundering Falls is one).
434 other cards care about it too. These are the ones with the most connections.
anything goes to a graveyard — 7,589 cards in the game can cause this (Thundering Falls is one).
When a card hits the graveyard thanks to Thundering Falls:
7 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Thundering Falls is one).
35 other cards care about it too. These are the ones with the most connections.