edhseer Commander synergy, explained
Artifact
Mana cost: {0}
Exile a card from your hand face down. You may look at it for as long as it remains exiled.
activated {T} —
Return a card you own exiled with this artifact to your hand.
When you lose control of this artifact, put all cards exiled with this artifact into their owner's graveyard.
triggered —
Causes: exile a card, put an artifact into a graveyard.
Cares about: nothing.
an artifact goes to a graveyard — 1,250 cards in the game can cause this (Gustha's Scepter is one).
When an artifact hits the graveyard thanks to Gustha's Scepter:
anything is exiled — 2,497 cards in the game can cause this (Gustha's Scepter is one).
an artifact is cast — 3,683 cards in the game can cause this (Gustha's Scepter is one).
When Gustha's Scepter is cast:
271 other cards care about it too. These are the ones with the most connections.
a nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Gustha's Scepter is one).
When Gustha's Scepter enters:
an artifact enters the battlefield — 4,643 cards in the game can cause this (Gustha's Scepter is one).
When Gustha's Scepter enters:
56 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 (Gustha's Scepter 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 (Gustha's Scepter is one).
When an artifact hits the graveyard thanks to Gustha's Scepter:
3 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 (Gustha's Scepter is one).
When Gustha's Scepter enters:
55 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 (Gustha's Scepter is one).
When Gustha's Scepter is cast:
10 other cards care about it too. These are the ones with the most connections.